move help text from include/usage.src.h to debianutils/*.c e2fsprogs/*.c editors/*.c loginutils/*.c mailutils/*.c

Signed-off-by: Pere Orga <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

26 files changed, 418 insertions, 400 deletions

diff --git a/coreutils/length.c.disabled b/coreutils/length.c.disabled
index 7f0b48ccd..aee898d22 100644
--- a/coreutils/length.c.disabled
+++ b/coreutils/length.c.disabled
@@ -5,6 +5,15 @@
 
 /* BB_AUDIT SUSv3 N/A -- Apparently a busybox (obsolete?) extension. */
 
+//usage:#define length_trivial_usage
+//usage:       "STRING"
+//usage:#define length_full_usage "\n\n"
+//usage:       "Print STRING's length"
+//usage:
+//usage:#define length_example_usage
+//usage:       "$ length Hello\n"
+//usage:       "5\n"
+
 #include "libbb.h"
 
 /* This is a NOFORK applet. Be very careful! */
diff --git a/debianutils/pipe_progress.c b/debianutils/pipe_progress.c
index 1e57dc241..2c7444f31 100644
--- a/debianutils/pipe_progress.c
+++ b/debianutils/pipe_progress.c
@@ -6,6 +6,10 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+
+//usage:#define pipe_progress_trivial_usage NOUSAGE_STR
+//usage:#define pipe_progress_full_usage ""
+
 #include "libbb.h"
 
 #define PIPE_PROGRESS_SIZE 4096
diff --git a/debianutils/run_parts.c b/debianutils/run_parts.c
index b93a5a917..0c2302696 100644
--- a/debianutils/run_parts.c
+++ b/debianutils/run_parts.c
@@ -30,6 +30,32 @@
  * -u MASK      umask. Set the umask of the program executed to MASK.
  */
 
+//usage:#define run_parts_trivial_usage
+//usage:       "[-t] "IF_FEATURE_RUN_PARTS_FANCY("[-l] ")"[-a ARG] [-u MASK] DIRECTORY"
+//usage:#define run_parts_full_usage "\n\n"
+//usage:       "Run a bunch of scripts in DIRECTORY\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -t      Print what would be run, but don't actually run anything"
+//usage:     "\n        -a ARG  Pass ARG as argument for every program"
+//usage:     "\n        -u MASK Set the umask to MASK before running every program"
+//usage:        IF_FEATURE_RUN_PARTS_FANCY(
+//usage:     "\n        -l      Print names of all matching files even if they are not executable"
+//usage:        )
+//usage:
+//usage:#define run_parts_example_usage
+//usage:       "$ run-parts -a start /etc/init.d\n"
+//usage:       "$ run-parts -a stop=now /etc/init.d\n\n"
+//usage:       "Let's assume you have a script foo/dosomething:\n"
+//usage:       "#!/bin/sh\n"
+//usage:       "for i in $*; do eval $i; done; unset i\n"
+//usage:       "case \"$1\" in\n"
+//usage:       "start*) echo starting something;;\n"
+//usage:       "stop*) set -x; shutdown -h $stop;;\n"
+//usage:       "esac\n\n"
+//usage:       "Running this yields:\n"
+//usage:       "$run-parts -a stop=+4m foo/\n"
+//usage:       "+ shutdown -h +4m"
+
 #include "libbb.h"
 
 struct globals {
diff --git a/debianutils/start_stop_daemon.c b/debianutils/start_stop_daemon.c
index d2ee95068..30dd9709d 100644
--- a/debianutils/start_stop_daemon.c
+++ b/debianutils/start_stop_daemon.c
@@ -56,6 +56,69 @@ Misc options:
         -v,--verbose            Verbose
 */
 
+//usage:#define start_stop_daemon_trivial_usage
+//usage:       "[OPTIONS] [-S|-K] ... [-- ARGS...]"
+//usage:#define start_stop_daemon_full_usage "\n\n"
+//usage:       "Search for matching processes, and then\n"
+//usage:       "-K: stop all matching processes.\n"
+//usage:       "-S: start a process unless a matching process is found.\n"
+//usage:        IF_FEATURE_START_STOP_DAEMON_LONG_OPTIONS(
+//usage:     "\nProcess matching:"
+//usage:     "\n        -u,--user USERNAME|UID  Match only this user's processes"
+//usage:     "\n        -n,--name NAME          Match processes with NAME"
+//usage:     "\n                                in comm field in /proc/PID/stat"
+//usage:     "\n        -x,--exec EXECUTABLE    Match processes with this command"
+//usage:     "\n                                in /proc/PID/cmdline"
+//usage:     "\n        -p,--pidfile FILE       Match a process with PID from the file"
+//usage:     "\n        All specified conditions must match"
+//usage:     "\n-S only:"
+//usage:     "\n        -x,--exec EXECUTABLE    Program to run"
+//usage:     "\n        -a,--startas NAME       Zeroth argument"
+//usage:     "\n        -b,--background         Background"
+//usage:        IF_FEATURE_START_STOP_DAEMON_FANCY(
+//usage:     "\n        -N,--nicelevel N        Change nice level"
+//usage:        )
+//usage:     "\n        -c,--chuid USER[:[GRP]] Change to user/group"
+//usage:     "\n        -m,--make-pidfile       Write PID to the pidfile specified by -p"
+//usage:     "\n-K only:"
+//usage:     "\n        -s,--signal SIG         Signal to send"
+//usage:     "\n        -t,--test               Match only, exit with 0 if a process is found"
+//usage:     "\nOther:"
+//usage:        IF_FEATURE_START_STOP_DAEMON_FANCY(
+//usage:     "\n        -o,--oknodo             Exit with status 0 if nothing is done"
+//usage:     "\n        -v,--verbose            Verbose"
+//usage:        )
+//usage:     "\n        -q,--quiet              Quiet"
+//usage:        )
+//usage:        IF_NOT_FEATURE_START_STOP_DAEMON_LONG_OPTIONS(
+//usage:     "\nProcess matching:"
+//usage:     "\n        -u USERNAME|UID Match only this user's processes"
+//usage:     "\n        -n NAME         Match processes with NAME"
+//usage:     "\n                        in comm field in /proc/PID/stat"
+//usage:     "\n        -x EXECUTABLE   Match processes with this command"
+//usage:     "\n                        command in /proc/PID/cmdline"
+//usage:     "\n        -p FILE         Match a process with PID from the file"
+//usage:     "\n        All specified conditions must match"
+//usage:     "\n-S only:"
+//usage:     "\n        -x EXECUTABLE   Program to run"
+//usage:     "\n        -a NAME         Zeroth argument"
+//usage:     "\n        -b              Background"
+//usage:        IF_FEATURE_START_STOP_DAEMON_FANCY(
+//usage:     "\n        -N N            Change nice level"
+//usage:        )
+//usage:     "\n        -c USER[:[GRP]] Change to user/group"
+//usage:     "\n        -m              Write PID to the pidfile specified by -p"
+//usage:     "\n-K only:"
+//usage:     "\n        -s SIG          Signal to send"
+//usage:     "\n        -t              Match only, exit with 0 if a process is found"
+//usage:     "\nOther:"
+//usage:        IF_FEATURE_START_STOP_DAEMON_FANCY(
+//usage:     "\n        -o              Exit with status 0 if nothing is done"
+//usage:     "\n        -v              Verbose"
+//usage:        )
+//usage:     "\n        -q              Quiet"
+//usage:        )
+
 #include <sys/resource.h>
 
 /* Override ENABLE_FEATURE_PIDFILE */
diff --git a/debianutils/which.c b/debianutils/which.c
index a82641909..15fd598b7 100644
--- a/debianutils/which.c
+++ b/debianutils/which.c
@@ -10,6 +10,15 @@
  * Based on which from debianutils
  */
 
+//usage:#define which_trivial_usage
+//usage:       "[COMMAND]..."
+//usage:#define which_full_usage "\n\n"
+//usage:       "Locate a COMMAND"
+//usage:
+//usage:#define which_example_usage
+//usage:       "$ which login\n"
+//usage:       "/bin/login\n"
+
 #include "libbb.h"
 
 int which_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
diff --git a/e2fsprogs/chattr.c b/e2fsprogs/chattr.c
index ab52cb009..b1c77faad 100644
--- a/e2fsprogs/chattr.c
+++ b/e2fsprogs/chattr.c
@@ -19,6 +19,30 @@
  * 98/12/29     - Display version info only when -V specified (G M Sipe)
  */
 
+//usage:#define chattr_trivial_usage
+//usage:       "[-R] [-+=AacDdijsStTu] [-v VERSION] [FILE]..."
+//usage:#define chattr_full_usage "\n\n"
+//usage:       "Change file attributes on an ext2 fs\n"
+//usage:     "\nModifiers:"
+//usage:     "\n        -       Remove attributes"
+//usage:     "\n        +       Add attributes"
+//usage:     "\n        =       Set attributes"
+//usage:     "\nAttributes:"
+//usage:     "\n        A       Don't track atime"
+//usage:     "\n        a       Append mode only"
+//usage:     "\n        c       Enable compress"
+//usage:     "\n        D       Write dir contents synchronously"
+//usage:     "\n        d       Don't backup with dump"
+//usage:     "\n        i       Cannot be modified (immutable)"
+//usage:     "\n        j       Write all data to journal first"
+//usage:     "\n        s       Zero disk storage when deleted"
+//usage:     "\n        S       Write file contents synchronously"
+//usage:     "\n        t       Disable tail-merging of partial blocks with other files"
+//usage:     "\n        u       Allow file to be undeleted"
+//usage:     "\nOptions:"
+//usage:     "\n        -R      Recurse"
+//usage:     "\n        -v      Set the file's version/generation number"
+
 #include "libbb.h"
 #include "e2fs_lib.h"
 
diff --git a/e2fsprogs/fsck.c b/e2fsprogs/fsck.c
index a86a9d96f..b4257a2ad 100644
--- a/e2fsprogs/fsck.c
+++ b/e2fsprogs/fsck.c
@@ -34,6 +34,20 @@
  * It doesn't guess filesystem types from on-disk format.
  */
 
+//usage:#define fsck_trivial_usage
+//usage:       "[-ANPRTV] [-C FD] [-t FSTYPE] [FS_OPTS] [BLOCKDEV]..."
+//usage:#define fsck_full_usage "\n\n"
+//usage:       "Check and repair filesystems\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -A      Walk /etc/fstab and check all filesystems"
+//usage:     "\n        -N      Don't execute, just show what would be done"
+//usage:     "\n        -P      With -A, check filesystems in parallel"
+//usage:     "\n        -R      With -A, skip the root filesystem"
+//usage:     "\n        -T      Don't show title on startup"
+//usage:     "\n        -V      Verbose"
+//usage:     "\n        -C n    Write status information to specified filedescriptor"
+//usage:     "\n        -t TYPE List of filesystem types to check"
+
 #include "libbb.h"
 
 /* "progress indicator" code is somewhat buggy and ext[23] specific.
diff --git a/e2fsprogs/lsattr.c b/e2fsprogs/lsattr.c
index 7d475a969..964e8d026 100644
--- a/e2fsprogs/lsattr.c
+++ b/e2fsprogs/lsattr.c
@@ -18,6 +18,17 @@
  * 98/12/29     - Display version info only when -V specified (G M Sipe)
  */
 
+//usage:#define lsattr_trivial_usage
+//usage:       "[-Radlv] [FILE]..."
+//usage:#define lsattr_full_usage "\n\n"
+//usage:       "List file attributes on an ext2 fs\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -R      Recurse"
+//usage:     "\n        -a      Don't hide entries starting with ."
+//usage:     "\n        -d      List directory entries instead of contents"
+//usage:     "\n        -l      List long flag names"
+//usage:     "\n        -v      List the file's version/generation number"
+
 #include "libbb.h"
 #include "e2fs_lib.h"
 
diff --git a/editors/awk.c b/editors/awk.c
index 2eeb9d77a..9d38b1f88 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -7,6 +7,14 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
+//usage:#define awk_trivial_usage
+//usage:       "[OPTIONS] [AWK_PROGRAM] [FILE]..."
+//usage:#define awk_full_usage "\n\n"
+//usage:       "Options:"
+//usage:     "\n        -v VAR=VAL      Set variable"
+//usage:     "\n        -F SEP          Use SEP as field separator"
+//usage:     "\n        -f FILE         Read program from FILE"
+
 #include "libbb.h"
 #include "xregex.h"
 #include <math.h>
diff --git a/editors/cmp.c b/editors/cmp.c
index f84a56e3e..3a0f5aa4f 100644
--- a/editors/cmp.c
+++ b/editors/cmp.c
@@ -10,6 +10,15 @@
 /* BB_AUDIT SUSv3 (virtually) compliant -- uses nicer GNU format for -l. */
 /* http://www.opengroup.org/onlinepubs/007904975/utilities/cmp.html */
 
+//usage:#define cmp_trivial_usage
+//usage:       "[-l] [-s] FILE1 [FILE2" IF_DESKTOP(" [SKIP1 [SKIP2]]") "]"
+//usage:#define cmp_full_usage "\n\n"
+//usage:       "Compare FILE1 with FILE2 (or stdin)\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -l      Write the byte numbers (decimal) and values (octal)"
+//usage:     "\n                for all differing bytes"
+//usage:     "\n        -s      Quiet"
+
 #include "libbb.h"
 
 static const char fmt_eof[] ALIGN1 = "cmp: EOF on %s\n";
diff --git a/editors/diff.c b/editors/diff.c
index 3719bb49f..daa58af9b 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -76,6 +76,28 @@
  * 6n words for files of length n.
  */
 
+//usage:#define diff_trivial_usage
+//usage:       "[-abBdiNqrTstw] [-L LABEL] [-S FILE] [-U LINES] FILE1 FILE2"
+//usage:#define diff_full_usage "\n\n"
+//usage:       "Compare files line by line and output the differences between them.\n"
+//usage:       "This implementation supports unified diffs only.\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -a      Treat all files as text"
+//usage:     "\n        -b      Ignore changes in the amount of whitespace"
+//usage:     "\n        -B      Ignore changes whose lines are all blank"
+//usage:     "\n        -d      Try hard to find a smaller set of changes"
+//usage:     "\n        -i      Ignore case differences"
+//usage:     "\n        -L      Use LABEL instead of the filename in the unified header"
+//usage:     "\n        -N      Treat absent files as empty"
+//usage:     "\n        -q      Output only whether files differ"
+//usage:     "\n        -r      Recurse"
+//usage:     "\n        -S      Start with FILE when comparing directories"
+//usage:     "\n        -T      Make tabs line up by prefixing a tab when necessary"
+//usage:     "\n        -s      Report when two files are the same"
+//usage:     "\n        -t      Expand tabs to spaces in output"
+//usage:     "\n        -U      Output LINES lines of context"
+//usage:     "\n        -w      Ignore all whitespace"
+
 #include "libbb.h"
 
 #if 0
diff --git a/editors/ed.c b/editors/ed.c
index b1b6a8d27..41ac88c32 100644
--- a/editors/ed.c
+++ b/editors/ed.c
@@ -7,6 +7,9 @@
  * The "ed" built-in command (much simplified)
  */
 
+//usage:#define ed_trivial_usage ""
+//usage:#define ed_full_usage ""
+
 #include "libbb.h"
 
 typedef struct LINE {
diff --git a/editors/sed.c b/editors/sed.c
index d3555243f..9ab758bd7 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -58,6 +58,23 @@
         Reference http://www.opengroup.org/onlinepubs/007904975/utilities/sed.html
 */
 
+//usage:#define sed_trivial_usage
+//usage:       "[-efinr] SED_CMD [FILE]..."
+//usage:#define sed_full_usage "\n\n"
+//usage:       "Options:"
+//usage:     "\n        -e CMD  Add CMD to sed commands to be executed"
+//usage:     "\n        -f FILE Add FILE contents to sed commands to be executed"
+//usage:     "\n        -i      Edit files in-place (else sends result to stdout)"
+//usage:     "\n        -n      Suppress automatic printing of pattern space"
+//usage:     "\n        -r      Use extended regex syntax"
+//usage:     "\n"
+//usage:     "\nIf no -e or -f, the first non-option argument is the sed command string."
+//usage:     "\nRemaining arguments are input files (stdin if none)."
+//usage:
+//usage:#define sed_example_usage
+//usage:       "$ echo \"foo\" | sed -e 's/f[a-zA-Z]o/bar/g'\n"
+//usage:       "bar\n"
+
 #include "libbb.h"
 #include "xregex.h"
 
diff --git a/editors/vi.c b/editors/vi.c
index 602fc61d9..fd8bd0f78 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -21,6 +21,19 @@
  *      An "ex" line oriented mode- maybe using "cmdedit"
  */
 
+//usage:#define vi_trivial_usage
+//usage:       "[OPTIONS] [FILE]..."
+//usage:#define vi_full_usage "\n\n"
+//usage:       "Edit FILE\n"
+//usage:     "\nOptions:"
+//usage:        IF_FEATURE_VI_COLON(
+//usage:     "\n        -c      Initial command to run ($EXINIT also available)"
+//usage:        )
+//usage:        IF_FEATURE_VI_READONLY(
+//usage:     "\n        -R      Read-only"
+//usage:        )
+//usage:     "\n        -H      Short help regarding available features"
+
 #include "libbb.h"
 
 /* the CRASHME code is unmaintained, and doesn't currently build */
diff --git a/include/usage.src.h b/include/usage.src.h
index d8360931f..2c88c46a1 100644
--- a/include/usage.src.h
+++ b/include/usage.src.h
@@ -40,28 +40,6 @@ INSERT
        "# acpid -l /var/log/my-acpi-log\n" \
        "# acpid -e /proc/acpi/event\n"
 
-#define addgroup_trivial_usage \
-       "[-g GID] " IF_FEATURE_ADDUSER_TO_GROUP("[USER] ") "GROUP"
-#define addgroup_full_usage "\n\n" \
-       "Add a group " IF_FEATURE_ADDUSER_TO_GROUP("or add a user to a group") "\n" \
-     "\nOptions:" \
-     "\n        -g GID  Group id" \
-     "\n        -S      Create a system group" \
-
-#define adduser_trivial_usage \
-       "[OPTIONS] USER"
-#define adduser_full_usage "\n\n" \
-       "Add a user\n" \
-     "\nOptions:" \
-     "\n        -h DIR          Home directory" \
-     "\n        -g GECOS        GECOS field" \
-     "\n        -s SHELL        Login shell" \
-     "\n        -G GRP          Add user to existing group" \
-     "\n        -S              Create a system user" \
-     "\n        -D              Don't assign a password" \
-     "\n        -H              Don't create home directory" \
-     "\n        -u UID          User id" \
-
 #define adjtimex_trivial_usage \
        "[-q] [-o OFF] [-f FREQ] [-p TCONST] [-t TICK]"
 #define adjtimex_full_usage "\n\n" \
@@ -110,14 +88,6 @@ INSERT
      "\n        -s SRC_IP       Sender IP address" \
      "\n        DST_IP          Target IP address" \
 
-#define awk_trivial_usage \
-       "[OPTIONS] [AWK_PROGRAM] [FILE]..."
-#define awk_full_usage "\n\n" \
-       "Options:" \
-     "\n        -v VAR=VAL      Set variable" \
-     "\n        -F SEP          Use SEP as field separator" \
-     "\n        -f FILE         Read program from FILE" \
-
 #define beep_trivial_usage \
        "-f FREQ -l LEN -d DELAY -r COUNT -n"
 #define beep_full_usage "\n\n" \
@@ -167,30 +137,6 @@ INSERT
        "each pair is a pair of arguments. Example:\n" \
        "chat '' ATZ OK ATD123456 CONNECT '' ogin: pppuser word: ppppass '~'" \
 
-#define chattr_trivial_usage \
-       "[-R] [-+=AacDdijsStTu] [-v VERSION] [FILE]..."
-#define chattr_full_usage "\n\n" \
-       "Change file attributes on an ext2 fs\n" \
-     "\nModifiers:" \
-     "\n        -       Remove attributes" \
-     "\n        +       Add attributes" \
-     "\n        =       Set attributes" \
-     "\nAttributes:" \
-     "\n        A       Don't track atime" \
-     "\n        a       Append mode only" \
-     "\n        c       Enable compress" \
-     "\n        D       Write dir contents synchronously" \
-     "\n        d       Don't backup with dump" \
-     "\n        i       Cannot be modified (immutable)" \
-     "\n        j       Write all data to journal first" \
-     "\n        s       Zero disk storage when deleted" \
-     "\n        S       Write file contents synchronously" \
-     "\n        t       Disable tail-merging of partial blocks with other files" \
-     "\n        u       Allow file to be undeleted" \
-     "\nOptions:" \
-     "\n        -R      Recurse" \
-     "\n        -v      Set the file's version/generation number" \
-
 #define chcon_trivial_usage \
        "[OPTIONS] CONTEXT FILE..." \
        "\n      chcon [OPTIONS] [-u USER] [-r ROLE] [-l RANGE] [-t TYPE] FILE..." \
@@ -284,15 +230,6 @@ INSERT
      "\n        -t N            Limit CPU time, process receives" \
      "\n                        a SIGXCPU after N seconds" \
 
-#define cmp_trivial_usage \
-       "[-l] [-s] FILE1 [FILE2" IF_DESKTOP(" [SKIP1 [SKIP2]]") "]"
-#define cmp_full_usage "\n\n" \
-       "Compare FILE1 with FILE2 (or stdin)\n" \
-     "\nOptions:" \
-     "\n        -l      Write the byte numbers (decimal) and values (octal)" \
-     "\n                for all differing bytes" \
-     "\n        -s      Quiet" \
-
 #define bbconfig_trivial_usage \
        ""
 #define bbconfig_full_usage "\n\n" \
@@ -355,57 +292,6 @@ INSERT
      "\n        -r      Delete crontab" \
      "\n        FILE    Replace crontab by FILE ('-': stdin)" \
 
-#define cryptpw_trivial_usage \
-       "[OPTIONS] [PASSWORD] [SALT]"
-/* We do support -s, we just don't mention it */
-#define cryptpw_full_usage "\n\n" \
-       "Crypt the PASSWORD using crypt(3)\n" \
-     "\nOptions:" \
-        IF_LONG_OPTS( \
-     "\n        -P,--password-fd=N      Read password from fd N" \
-/*   "\n        -s,--stdin              Use stdin; like -P0" */ \
-     "\n        -m,--method=TYPE        Encryption method TYPE" \
-     "\n        -S,--salt=SALT" \
-        ) \
-        IF_NOT_LONG_OPTS( \
-     "\n        -P N    Read password from fd N" \
-/*   "\n        -s      Use stdin; like -P0" */ \
-     "\n        -m TYPE Encryption method TYPE" \
-     "\n        -S SALT" \
-        ) \
-
-/* mkpasswd is an alias to cryptpw */
-
-#define mkpasswd_trivial_usage \
-       "[OPTIONS] [PASSWORD] [SALT]"
-/* We do support -s, we just don't mention it */
-#define mkpasswd_full_usage "\n\n" \
-       "Crypt the PASSWORD using crypt(3)\n" \
-     "\nOptions:" \
-        IF_LONG_OPTS( \
-     "\n        -P,--password-fd=N      Read password from fd N" \
-/*   "\n        -s,--stdin              Use stdin; like -P0" */ \
-     "\n        -m,--method=TYPE        Encryption method TYPE" \
-     "\n        -S,--salt=SALT" \
-        ) \
-        IF_NOT_LONG_OPTS( \
-     "\n        -P N    Read password from fd N" \
-/*   "\n        -s      Use stdin; like -P0" */ \
-     "\n        -m TYPE Encryption method TYPE" \
-     "\n        -S SALT" \
-        ) \
-
-#define delgroup_trivial_usage \
-        IF_FEATURE_DEL_USER_FROM_GROUP("[USER] ")"GROUP"
-#define delgroup_full_usage "\n\n" \
-       "Delete group GROUP from the system" \
-        IF_FEATURE_DEL_USER_FROM_GROUP(" or user USER from group GROUP")
-
-#define deluser_trivial_usage \
-       "USER"
-#define deluser_full_usage "\n\n" \
-       "Delete USER from the system"
-
 #define devmem_trivial_usage \
         "ADDRESS [WIDTH [VALUE]]"
 
@@ -435,28 +321,6 @@ INSERT
 #define dhcprelay_full_usage "\n\n" \
        "Relay DHCP requests between clients and server" \
 
-#define diff_trivial_usage \
-       "[-abBdiNqrTstw] [-L LABEL] [-S FILE] [-U LINES] FILE1 FILE2"
-#define diff_full_usage "\n\n" \
-       "Compare files line by line and output the differences between them.\n" \
-       "This implementation supports unified diffs only.\n" \
-     "\nOptions:" \
-     "\n        -a      Treat all files as text" \
-     "\n        -b      Ignore changes in the amount of whitespace" \
-     "\n        -B      Ignore changes whose lines are all blank" \
-     "\n        -d      Try hard to find a smaller set of changes" \
-     "\n        -i      Ignore case differences" \
-     "\n        -L      Use LABEL instead of the filename in the unified header" \
-     "\n        -N      Treat absent files as empty" \
-     "\n        -q      Output only whether files differ" \
-     "\n        -r      Recurse" \
-     "\n        -S      Start with FILE when comparing directories" \
-     "\n        -T      Make tabs line up by prefixing a tab when necessary" \
-     "\n        -s      Report when two files are the same" \
-     "\n        -t      Expand tabs to spaces in output" \
-     "\n        -U      Output LINES lines of context" \
-     "\n        -w      Ignore all whitespace" \
-
 #define dmesg_trivial_usage \
        "[-c] [-n LEVEL] [-s SIZE]"
 #define dmesg_full_usage "\n\n" \
@@ -531,9 +395,6 @@ INSERT
      "\n        -t      Close tray" \
      "\n        -T      Open/close tray (toggle)" \
 
-#define ed_trivial_usage ""
-#define ed_full_usage ""
-
 #define ether_wake_trivial_usage \
        "[-b] [-i iface] [-p aa:bb:cc:dd[:ee:ff]] MAC"
 #define ether_wake_full_usage "\n\n" \
@@ -679,20 +540,6 @@ INSERT
 #define freeramdisk_example_usage \
        "$ freeramdisk /dev/ram2\n"
 
-#define fsck_trivial_usage \
-       "[-ANPRTV] [-C FD] [-t FSTYPE] [FS_OPTS] [BLOCKDEV]..."
-#define fsck_full_usage "\n\n" \
-       "Check and repair filesystems\n" \
-     "\nOptions:" \
-     "\n        -A      Walk /etc/fstab and check all filesystems" \
-     "\n        -N      Don't execute, just show what would be done" \
-     "\n        -P      With -A, check filesystems in parallel" \
-     "\n        -R      With -A, skip the root filesystem" \
-     "\n        -T      Don't show title on startup" \
-     "\n        -V      Verbose" \
-     "\n        -C n    Write status information to specified filedescriptor" \
-     "\n        -t TYPE List of filesystem types to check" \
-
 #define fsck_minix_trivial_usage \
        "[-larvsmf] BLOCKDEV"
 #define fsck_minix_full_usage "\n\n" \
@@ -1279,15 +1126,6 @@ INSERT
 #define logger_example_usage \
        "$ logger \"hello\"\n"
 
-#define login_trivial_usage \
-       "[-p] [-h HOST] [[-f] USER]"
-#define login_full_usage "\n\n" \
-       "Begin a new session on the system\n" \
-     "\nOptions:" \
-     "\n        -f      Don't authenticate (user already authenticated)" \
-     "\n        -h      Name of the remote host" \
-     "\n        -p      Preserve environment" \
-
 #define logread_trivial_usage \
        "[-f]"
 #define logread_full_usage "\n\n" \
@@ -1344,17 +1182,6 @@ INSERT
      "\n        -h      Print banner page too" \
      "\n        -V      Verbose" \
 
-#define lsattr_trivial_usage \
-       "[-Radlv] [FILE]..."
-#define lsattr_full_usage "\n\n" \
-       "List file attributes on an ext2 fs\n" \
-     "\nOptions:" \
-     "\n        -R      Recurse" \
-     "\n        -a      Don't hide entries starting with ." \
-     "\n        -d      List directory entries instead of contents" \
-     "\n        -l      List long flag names" \
-     "\n        -v      List the file's version/generation number" \
-
 #define lspci_trivial_usage \
        "[-mk]"
 #define lspci_full_usage "\n\n" \
@@ -1424,21 +1251,6 @@ INSERT
        "/dev/hda[0-15]\n"
 #endif
 
-#define makemime_trivial_usage \
-       "[OPTIONS] [FILE]..."
-#define makemime_full_usage "\n\n" \
-       "Create multipart MIME-encoded message from FILEs\n" \
-/*     "Transfer encoding is base64, disposition is inline (not attachment)\n" */ \
-     "\nOptions:" \
-     "\n        -o FILE Output. Default: stdout" \
-     "\n        -a HDR  Add header. Examples:" \
-     "\n                \"From: user@host.org\", \"Date: `date -R`\"" \
-     "\n        -c CT   Content type. Default: text/plain" \
-     "\n        -C CS   Charset. Default: " CONFIG_FEATURE_MIME_CHARSET \
-/*   "\n        -e ENC  Transfer encoding. Ignored. base64 is assumed" */ \
-     "\n" \
-     "\nOther options are silently ignored" \
-
 #define man_trivial_usage \
        "[-aw] [MANPAGE]..."
 #define man_full_usage "\n\n" \
@@ -1712,31 +1524,6 @@ INSERT
 #define parse_full_usage ""
 */
 
-#define passwd_trivial_usage \
-       "[OPTIONS] [USER]"
-#define passwd_full_usage "\n\n" \
-       "Change USER's password. If no USER is specified,\n" \
-       "changes the password for the current user.\n" \
-     "\nOptions:" \
-     "\n        -a ALG  Algorithm to use for password (des, md5)" /* ", sha1)" */ \
-     "\n        -d      Delete password for the account" \
-     "\n        -l      Lock (disable) account" \
-     "\n        -u      Unlock (re-enable) account" \
-
-#define chpasswd_trivial_usage \
-        IF_LONG_OPTS("[--md5|--encrypted]") IF_NOT_LONG_OPTS("[-m|-e]")
-#define chpasswd_full_usage "\n\n" \
-       "Read user:password from stdin and update /etc/passwd\n" \
-     "\nOptions:" \
-        IF_LONG_OPTS( \
-     "\n        -e,--encrypted  Supplied passwords are in encrypted form" \
-     "\n        -m,--md5        Use MD5 encryption instead of DES" \
-        ) \
-        IF_NOT_LONG_OPTS( \
-     "\n        -e      Supplied passwords are in encrypted form" \
-     "\n        -m      Use MD5 encryption instead of DES" \
-        )
-
 #define pgrep_trivial_usage \
        "[-flnovx] [-s SID|-P PPID|PATTERN]"
 #define pgrep_full_usage "\n\n" \
@@ -1779,9 +1566,6 @@ INSERT
         IF_FEATURE_PIDOF_OMIT( \
        "$ pidof /bin/sh -o %PPID\n20351 5950")
 
-#define pipe_progress_trivial_usage NOUSAGE_STR
-#define pipe_progress_full_usage ""
-
 #define pivot_root_trivial_usage \
        "NEW_ROOT PUT_OLD"
 #define pivot_root_full_usage "\n\n" \
@@ -1802,38 +1586,6 @@ INSERT
      "\n        -s      Match session ID (0 for current)" \
      "\n        -P      Match parent process ID" \
 
-#define popmaildir_trivial_usage \
-       "[OPTIONS] MAILDIR [CONN_HELPER ARGS]"
-#define popmaildir_full_usage "\n\n" \
-       "Fetch content of remote mailbox to local maildir\n" \
-     "\nOptions:" \
-/*   "\n        -b              Binary mode. Ignored" */ \
-/*   "\n        -d              Debug. Ignored" */ \
-/*   "\n        -m              Show used memory. Ignored" */ \
-/*   "\n        -V              Show version. Ignored" */ \
-/*   "\n        -c              Use tcpclient. Ignored" */ \
-/*   "\n        -a              Use APOP protocol. Implied. If server supports APOP -> use it" */ \
-     "\n        -s              Skip authorization" \
-     "\n        -T              Get messages with TOP instead of RETR" \
-     "\n        -k              Keep retrieved messages on the server" \
-     "\n        -t SEC          Network timeout" \
-        IF_FEATURE_POPMAILDIR_DELIVERY( \
-     "\n        -F \"PROG ARGS\"        Filter program (may be repeated)" \
-     "\n        -M \"PROG ARGS\"        Delivery program" \
-        ) \
-     "\n" \
-     "\nFetch from plain POP3 server:" \
-     "\npopmaildir -k DIR nc pop3.server.com 110 <user_and_pass.txt" \
-     "\nFetch from SSLed POP3 server and delete fetched emails:" \
-     "\npopmaildir DIR -- openssl s_client -quiet -connect pop3.server.com:995 <user_and_pass.txt"
-/*   "\n        -R BYTES        Remove old messages on the server >= BYTES. Ignored" */
-/*   "\n        -Z N1-N2        Remove messages from N1 to N2 (dangerous). Ignored" */
-/*   "\n        -L BYTES        Don't retrieve new messages >= BYTES. Ignored" */
-/*   "\n        -H LINES        Type first LINES of a message. Ignored" */
-#define popmaildir_example_usage \
-       "$ popmaildir -k ~/Maildir -- nc pop.drvv.ru 110 [<password_file]\n" \
-       "$ popmaildir ~/Maildir -- openssl s_client -quiet -connect pop.gmail.com:995 [<password_file]\n"
-
 
 #if ENABLE_DESKTOP
 
@@ -1937,17 +1689,6 @@ INSERT
      "\n        -r              Reset all the counters (root only)" \
      "\n        -n              Disable byte order auto-detection" \
 
-#define reformime_trivial_usage \
-       "[OPTIONS] [FILE]..."
-#define reformime_full_usage "\n\n" \
-       "Parse MIME-encoded message\n" \
-     "\nOptions:" \
-     "\n        -x PREFIX       Extract content of MIME sections to files" \
-     "\n        -X PROG ARGS    Filter content of MIME sections through PROG" \
-     "\n                        Must be the last option" \
-     "\n" \
-     "\nOther options are silently ignored" \
-
 #define scriptreplay_trivial_usage \
        "timingfile [typescript [divisor]]"
 #define scriptreplay_full_usage "\n\n" \
@@ -2034,32 +1775,6 @@ INSERT
      "\n        -l RNG  Levelrange" \
         )
 
-#define run_parts_trivial_usage \
-       "[-t] "IF_FEATURE_RUN_PARTS_FANCY("[-l] ")"[-a ARG] [-u MASK] DIRECTORY"
-#define run_parts_full_usage "\n\n" \
-       "Run a bunch of scripts in DIRECTORY\n" \
-     "\nOptions:" \
-     "\n        -t      Print what would be run, but don't actually run anything" \
-     "\n        -a ARG  Pass ARG as argument for every program" \
-     "\n        -u MASK Set the umask to MASK before running every program" \
-        IF_FEATURE_RUN_PARTS_FANCY( \
-     "\n        -l      Print names of all matching files even if they are not executable" \
-        )
-
-#define run_parts_example_usage \
-       "$ run-parts -a start /etc/init.d\n" \
-       "$ run-parts -a stop=now /etc/init.d\n\n" \
-       "Let's assume you have a script foo/dosomething:\n" \
-       "#!/bin/sh\n" \
-       "for i in $*; do eval $i; done; unset i\n" \
-       "case \"$1\" in\n" \
-       "start*) echo starting something;;\n" \
-       "stop*) set -x; shutdown -h $stop;;\n" \
-       "esac\n\n" \
-       "Running this yields:\n" \
-       "$run-parts -a stop=+4m foo/\n" \
-       "+ shutdown -h +4m"
-
 #define runlevel_trivial_usage \
        "[FILE]"
 #define runlevel_full_usage "\n\n" \
@@ -2102,23 +1817,6 @@ INSERT
      "\n        -t      Send timing to stderr" \
         )
 
-#define sed_trivial_usage \
-       "[-efinr] SED_CMD [FILE]..."
-#define sed_full_usage "\n\n" \
-       "Options:" \
-     "\n        -e CMD  Add CMD to sed commands to be executed" \
-     "\n        -f FILE Add FILE contents to sed commands to be executed" \
-     "\n        -i      Edit files in-place (else sends result to stdout)" \
-     "\n        -n      Suppress automatic printing of pattern space" \
-     "\n        -r      Use extended regex syntax" \
-     "\n" \
-     "\nIf no -e or -f, the first non-option argument is the sed command string." \
-     "\nRemaining arguments are input files (stdin if none)."
-
-#define sed_example_usage \
-       "$ echo \"foo\" | sed -e 's/f[a-zA-Z]o/bar/g'\n" \
-       "bar\n"
-
 #define selinuxenabled_trivial_usage NOUSAGE_STR
 #define selinuxenabled_full_usage ""
 
@@ -2205,69 +1903,6 @@ INSERT
      "\n        -L      Enable 3-wire operation" \
      "\n        -F      Disable RTS/CTS flow control" \
 
-#define start_stop_daemon_trivial_usage \
-       "[OPTIONS] [-S|-K] ... [-- ARGS...]"
-#define start_stop_daemon_full_usage "\n\n" \
-       "Search for matching processes, and then\n" \
-       "-K: stop all matching processes.\n" \
-       "-S: start a process unless a matching process is found.\n" \
-        IF_FEATURE_START_STOP_DAEMON_LONG_OPTIONS( \
-     "\nProcess matching:" \
-     "\n        -u,--user USERNAME|UID  Match only this user's processes" \
-     "\n        -n,--name NAME          Match processes with NAME" \
-     "\n                                in comm field in /proc/PID/stat" \
-     "\n        -x,--exec EXECUTABLE    Match processes with this command" \
-     "\n                                in /proc/PID/cmdline" \
-     "\n        -p,--pidfile FILE       Match a process with PID from the file" \
-     "\n        All specified conditions must match" \
-     "\n-S only:" \
-     "\n        -x,--exec EXECUTABLE    Program to run" \
-     "\n        -a,--startas NAME       Zeroth argument" \
-     "\n        -b,--background         Background" \
-        IF_FEATURE_START_STOP_DAEMON_FANCY( \
-     "\n        -N,--nicelevel N        Change nice level" \
-        ) \
-     "\n        -c,--chuid USER[:[GRP]] Change to user/group" \
-     "\n        -m,--make-pidfile       Write PID to the pidfile specified by -p" \
-     "\n-K only:" \
-     "\n        -s,--signal SIG         Signal to send" \
-     "\n        -t,--test               Match only, exit with 0 if a process is found" \
-     "\nOther:" \
-        IF_FEATURE_START_STOP_DAEMON_FANCY( \
-     "\n        -o,--oknodo             Exit with status 0 if nothing is done" \
-     "\n        -v,--verbose            Verbose" \
-        ) \
-     "\n        -q,--quiet              Quiet" \
-        ) \
-        IF_NOT_FEATURE_START_STOP_DAEMON_LONG_OPTIONS( \
-     "\nProcess matching:" \
-     "\n        -u USERNAME|UID Match only this user's processes" \
-     "\n        -n NAME         Match processes with NAME" \
-     "\n                        in comm field in /proc/PID/stat" \
-     "\n        -x EXECUTABLE   Match processes with this command" \
-     "\n                        command in /proc/PID/cmdline" \
-     "\n        -p FILE         Match a process with PID from the file" \
-     "\n        All specified conditions must match" \
-     "\n-S only:" \
-     "\n        -x EXECUTABLE   Program to run" \
-     "\n        -a NAME         Zeroth argument" \
-     "\n        -b              Background" \
-        IF_FEATURE_START_STOP_DAEMON_FANCY( \
-     "\n        -N N            Change nice level" \
-        ) \
-     "\n        -c USER[:[GRP]] Change to user/group" \
-     "\n        -m              Write PID to the pidfile specified by -p" \
-     "\n-K only:" \
-     "\n        -s SIG          Signal to send" \
-     "\n        -t              Match only, exit with 0 if a process is found" \
-     "\nOther:" \
-        IF_FEATURE_START_STOP_DAEMON_FANCY( \
-     "\n        -o              Exit with status 0 if nothing is done" \
-     "\n        -v              Verbose" \
-        ) \
-     "\n        -q              Quiet" \
-        ) \
-
 #define strings_trivial_usage \
        "[-afo] [-n LEN] [FILE]..."
 #define strings_full_usage "\n\n" \
@@ -2278,13 +1913,6 @@ INSERT
      "\n        -n LEN  At least LEN characters form a string (default 4)" \
      "\n        -o      Precede strings with decimal offsets" \
 
-#define sulogin_trivial_usage \
-       "[-t N] [TTY]"
-#define sulogin_full_usage "\n\n" \
-       "Single user login\n" \
-     "\nOptions:" \
-     "\n        -t N    Timeout" \
-
 #define sv_trivial_usage \
        "[-v] [-w SEC] CMD SERVICE_DIR..."
 #define sv_full_usage "\n\n" \
@@ -2650,26 +2278,6 @@ INSERT
      "\n        set_ingress_map [vlan-name] [skb_priority] [vlan_qos]" \
      "\n        set_name_type   [name-type]" \
 
-#define vi_trivial_usage \
-       "[OPTIONS] [FILE]..."
-#define vi_full_usage "\n\n" \
-       "Edit FILE\n" \
-     "\nOptions:" \
-        IF_FEATURE_VI_COLON( \
-     "\n        -c      Initial command to run ($EXINIT also available)" \
-        ) \
-        IF_FEATURE_VI_READONLY( \
-     "\n        -R      Read-only" \
-        ) \
-     "\n        -H      Short help regarding available features" \
-
-#define vlock_trivial_usage \
-       "[-a]"
-#define vlock_full_usage "\n\n" \
-       "Lock a virtual terminal. A password is required to unlock.\n" \
-     "\nOptions:" \
-     "\n        -a      Lock all VTs" \
-
 #define volname_trivial_usage \
        "[DEVICE]"
 #define volname_full_usage "\n\n" \
@@ -2708,14 +2316,6 @@ INSERT
      "\n" \
      "\nUse 500ms to specify period in milliseconds" \
 
-#define which_trivial_usage \
-       "[COMMAND]..."
-#define which_full_usage "\n\n" \
-       "Locate a COMMAND"
-#define which_example_usage \
-       "$ which login\n" \
-       "/bin/login\n"
-
 #define zcip_trivial_usage \
        "[OPTIONS] IFACE SCRIPT"
 #define zcip_full_usage "\n\n" \
diff --git a/loginutils/addgroup.c b/loginutils/addgroup.c
index 5a0714501..2d6736f1a 100644
--- a/loginutils/addgroup.c
+++ b/loginutils/addgroup.c
@@ -9,6 +9,15 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  *
  */
+
+//usage:#define addgroup_trivial_usage
+//usage:       "[-g GID] " IF_FEATURE_ADDUSER_TO_GROUP("[USER] ") "GROUP"
+//usage:#define addgroup_full_usage "\n\n"
+//usage:       "Add a group " IF_FEATURE_ADDUSER_TO_GROUP("or add a user to a group") "\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -g GID  Group id"
+//usage:     "\n        -S      Create a system group"
+
 #include "libbb.h"
 
 #if CONFIG_LAST_SYSTEM_ID < CONFIG_FIRST_SYSTEM_ID
diff --git a/loginutils/adduser.c b/loginutils/adduser.c
index 0c675caf9..1944d9d56 100644
--- a/loginutils/adduser.c
+++ b/loginutils/adduser.c
@@ -7,6 +7,21 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+
+//usage:#define adduser_trivial_usage
+//usage:       "[OPTIONS] USER"
+//usage:#define adduser_full_usage "\n\n"
+//usage:       "Add a user\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -h DIR          Home directory"
+//usage:     "\n        -g GECOS        GECOS field"
+//usage:     "\n        -s SHELL        Login shell"
+//usage:     "\n        -G GRP          Add user to existing group"
+//usage:     "\n        -S              Create a system user"
+//usage:     "\n        -D              Don't assign a password"
+//usage:     "\n        -H              Don't create home directory"
+//usage:     "\n        -u UID          User id"
+
 #include "libbb.h"
 
 #if CONFIG_LAST_SYSTEM_ID < CONFIG_FIRST_SYSTEM_ID
diff --git a/loginutils/chpasswd.c b/loginutils/chpasswd.c
index 48cf9b130..c2d86664d 100644
--- a/loginutils/chpasswd.c
+++ b/loginutils/chpasswd.c
@@ -7,6 +7,20 @@
  */
 #include "libbb.h"
 
+//usage:#define chpasswd_trivial_usage
+//usage:        IF_LONG_OPTS("[--md5|--encrypted]") IF_NOT_LONG_OPTS("[-m|-e]")
+//usage:#define chpasswd_full_usage "\n\n"
+//usage:       "Read user:password from stdin and update /etc/passwd\n"
+//usage:     "\nOptions:"
+//usage:        IF_LONG_OPTS(
+//usage:     "\n        -e,--encrypted  Supplied passwords are in encrypted form"
+//usage:     "\n        -m,--md5        Use MD5 encryption instead of DES"
+//usage:        )
+//usage:        IF_NOT_LONG_OPTS(
+//usage:     "\n        -e      Supplied passwords are in encrypted form"
+//usage:     "\n        -m      Use MD5 encryption instead of DES"
+//usage:        )
+
 #if ENABLE_LONG_OPTS
 static const char chpasswd_longopts[] ALIGN1 =
         "encrypted\0" No_argument "e"
diff --git a/loginutils/cryptpw.c b/loginutils/cryptpw.c
index 6c801f9fa..72388c492 100644
--- a/loginutils/cryptpw.c
+++ b/loginutils/cryptpw.c
@@ -10,6 +10,45 @@
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
 
+//usage:#define cryptpw_trivial_usage
+//usage:       "[OPTIONS] [PASSWORD] [SALT]"
+/* We do support -s, we just don't mention it */
+//usage:#define cryptpw_full_usage "\n\n"
+//usage:       "Crypt the PASSWORD using crypt(3)\n"
+//usage:     "\nOptions:"
+//usage:        IF_LONG_OPTS(
+//usage:     "\n        -P,--password-fd=N      Read password from fd N"
+/* //usage:  "\n        -s,--stdin              Use stdin; like -P0" */
+//usage:     "\n        -m,--method=TYPE        Encryption method TYPE"
+//usage:     "\n        -S,--salt=SALT"
+//usage:        )
+//usage:        IF_NOT_LONG_OPTS(
+//usage:     "\n        -P N    Read password from fd N"
+/* //usage:  "\n        -s      Use stdin; like -P0" */
+//usage:     "\n        -m TYPE Encryption method TYPE"
+//usage:     "\n        -S SALT"
+//usage:        )
+
+/* mkpasswd is an alias to cryptpw */
+//usage:#define mkpasswd_trivial_usage
+//usage:       "[OPTIONS] [PASSWORD] [SALT]"
+/* We do support -s, we just don't mention it */
+//usage:#define mkpasswd_full_usage "\n\n"
+//usage:       "Crypt the PASSWORD using crypt(3)\n"
+//usage:     "\nOptions:"
+//usage:        IF_LONG_OPTS(
+//usage:     "\n        -P,--password-fd=N      Read password from fd N"
+/* //usage:  "\n        -s,--stdin              Use stdin; like -P0" */
+//usage:     "\n        -m,--method=TYPE        Encryption method TYPE"
+//usage:     "\n        -S,--salt=SALT"
+//usage:        )
+//usage:        IF_NOT_LONG_OPTS(
+//usage:     "\n        -P N    Read password from fd N"
+/* //usage:  "\n        -s      Use stdin; like -P0" */
+//usage:     "\n        -m TYPE Encryption method TYPE"
+//usage:     "\n        -S SALT"
+//usage:        )
+
 #include "libbb.h"
 
 /* Debian has 'mkpasswd' utility, manpage says:
diff --git a/loginutils/deluser.c b/loginutils/deluser.c
index 47a10fe14..e39ac5506 100644
--- a/loginutils/deluser.c
+++ b/loginutils/deluser.c
@@ -9,6 +9,18 @@
  * Licensed under GPLv2, see file LICENSE in this source tree.
  *
  */
+
+//usage:#define deluser_trivial_usage
+//usage:       "USER"
+//usage:#define deluser_full_usage "\n\n"
+//usage:       "Delete USER from the system"
+
+//usage:#define delgroup_trivial_usage
+//usage:        IF_FEATURE_DEL_USER_FROM_GROUP("[USER] ")"GROUP"
+//usage:#define delgroup_full_usage "\n\n"
+//usage:       "Delete group GROUP from the system"
+//usage:        IF_FEATURE_DEL_USER_FROM_GROUP(" or user USER from group GROUP")
+
 #include "libbb.h"
 
 int deluser_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
diff --git a/loginutils/login.c b/loginutils/login.c
index ce0d1741f..f2563dc09 100644
--- a/loginutils/login.c
+++ b/loginutils/login.c
@@ -2,6 +2,16 @@
 /*
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+
+//usage:#define login_trivial_usage
+//usage:       "[-p] [-h HOST] [[-f] USER]"
+//usage:#define login_full_usage "\n\n"
+//usage:       "Begin a new session on the system\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -f      Don't authenticate (user already authenticated)"
+//usage:     "\n        -h      Name of the remote host"
+//usage:     "\n        -p      Preserve environment"
+
 #include "libbb.h"
 #include <syslog.h>
 #include <sys/resource.h>
diff --git a/loginutils/passwd.c b/loginutils/passwd.c
index f3928cecc..8b6a63eec 100644
--- a/loginutils/passwd.c
+++ b/loginutils/passwd.c
@@ -2,6 +2,18 @@
 /*
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+
+//usage:#define passwd_trivial_usage
+//usage:       "[OPTIONS] [USER]"
+//usage:#define passwd_full_usage "\n\n"
+//usage:       "Change USER's password. If no USER is specified,\n"
+//usage:       "changes the password for the current user.\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -a ALG  Algorithm to use for password (des, md5)" /* ", sha1)" */
+//usage:     "\n        -d      Delete password for the account"
+//usage:     "\n        -l      Lock (disable) account"
+//usage:     "\n        -u      Unlock (re-enable) account"
+
 #include "libbb.h"
 #include <syslog.h>
 
diff --git a/loginutils/sulogin.c b/loginutils/sulogin.c
index 0e5b59433..28edf067c 100644
--- a/loginutils/sulogin.c
+++ b/loginutils/sulogin.c
@@ -5,6 +5,13 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
+//usage:#define sulogin_trivial_usage
+//usage:       "[-t N] [TTY]"
+//usage:#define sulogin_full_usage "\n\n"
+//usage:       "Single user login\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -t N    Timeout"
+
 #include "libbb.h"
 #include <syslog.h>
 
diff --git a/loginutils/vlock.c b/loginutils/vlock.c
index 3299afa50..efad63ff3 100644
--- a/loginutils/vlock.c
+++ b/loginutils/vlock.c
@@ -15,6 +15,13 @@
 /* Fixed by Erik Andersen to do passwords the tinylogin way...
  * It now works with md5, sha1, etc passwords. */
 
+//usage:#define vlock_trivial_usage
+//usage:       "[-a]"
+//usage:#define vlock_full_usage "\n\n"
+//usage:       "Lock a virtual terminal. A password is required to unlock.\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -a      Lock all VTs"
+
 #include "libbb.h"
 
 #ifdef __linux__
diff --git a/mailutils/mime.c b/mailutils/mime.c
index 1e393ed31..0aff8b1d7 100644
--- a/mailutils/mime.c
+++ b/mailutils/mime.c
@@ -7,6 +7,33 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
+
+//usage:#define makemime_trivial_usage
+//usage:       "[OPTIONS] [FILE]..."
+//usage:#define makemime_full_usage "\n\n"
+//usage:       "Create multipart MIME-encoded message from FILEs\n"
+/* //usage:    "Transfer encoding is base64, disposition is inline (not attachment)\n" */
+//usage:     "\nOptions:"
+//usage:     "\n        -o FILE Output. Default: stdout"
+//usage:     "\n        -a HDR  Add header. Examples:"
+//usage:     "\n                \"From: user@host.org\", \"Date: `date -R`\""
+//usage:     "\n        -c CT   Content type. Default: text/plain"
+//usage:     "\n        -C CS   Charset. Default: " CONFIG_FEATURE_MIME_CHARSET
+/* //usage:  "\n        -e ENC  Transfer encoding. Ignored. base64 is assumed" */
+//usage:     "\n"
+//usage:     "\nOther options are silently ignored"
+
+//usage:#define reformime_trivial_usage
+//usage:       "[OPTIONS] [FILE]..."
+//usage:#define reformime_full_usage "\n\n"
+//usage:       "Parse MIME-encoded message\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -x PREFIX       Extract content of MIME sections to files"
+//usage:     "\n        -X PROG ARGS    Filter content of MIME sections through PROG"
+//usage:     "\n                        Must be the last option"
+//usage:     "\n"
+//usage:     "\nOther options are silently ignored"
+
 #include "libbb.h"
 #include "mail.h"
 
diff --git a/mailutils/popmaildir.c b/mailutils/popmaildir.c
index 6b733441f..642657919 100644
--- a/mailutils/popmaildir.c
+++ b/mailutils/popmaildir.c
@@ -9,6 +9,40 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
+
+//usage:#define popmaildir_trivial_usage
+//usage:       "[OPTIONS] MAILDIR [CONN_HELPER ARGS]"
+//usage:#define popmaildir_full_usage "\n\n"
+//usage:       "Fetch content of remote mailbox to local maildir\n"
+//usage:     "\nOptions:"
+/* //usage:  "\n        -b              Binary mode. Ignored" */
+/* //usage:  "\n        -d              Debug. Ignored" */
+/* //usage:  "\n        -m              Show used memory. Ignored" */
+/* //usage:  "\n        -V              Show version. Ignored" */
+/* //usage:  "\n        -c              Use tcpclient. Ignored" */
+/* //usage:  "\n        -a              Use APOP protocol. Implied. If server supports APOP -> use it" */
+//usage:     "\n        -s              Skip authorization"
+//usage:     "\n        -T              Get messages with TOP instead of RETR"
+//usage:     "\n        -k              Keep retrieved messages on the server"
+//usage:     "\n        -t SEC          Network timeout"
+//usage:        IF_FEATURE_POPMAILDIR_DELIVERY(
+//usage:     "\n        -F \"PROG ARGS\"        Filter program (may be repeated)"
+//usage:     "\n        -M \"PROG ARGS\"        Delivery program"
+//usage:        )
+//usage:     "\n"
+//usage:     "\nFetch from plain POP3 server:"
+//usage:     "\npopmaildir -k DIR nc pop3.server.com 110 <user_and_pass.txt"
+//usage:     "\nFetch from SSLed POP3 server and delete fetched emails:"
+//usage:     "\npopmaildir DIR -- openssl s_client -quiet -connect pop3.server.com:995 <user_and_pass.txt"
+/* //usage:  "\n        -R BYTES        Remove old messages on the server >= BYTES. Ignored" */
+/* //usage:  "\n        -Z N1-N2        Remove messages from N1 to N2 (dangerous). Ignored" */
+/* //usage:  "\n        -L BYTES        Don't retrieve new messages >= BYTES. Ignored" */
+/* //usage:  "\n        -H LINES        Type first LINES of a message. Ignored" */
+//usage:
+//usage:#define popmaildir_example_usage
+//usage:       "$ popmaildir -k ~/Maildir -- nc pop.drvv.ru 110 [<password_file]\n"
+//usage:       "$ popmaildir ~/Maildir -- openssl s_client -quiet -connect pop.gmail.com:995 [<password_file]\n"
+
 #include "libbb.h"
 #include "mail.h"