1 files changed, 30 insertions, 6 deletions

diff --git a/include/usage.h b/include/usage.h
index 017cb9c3e..831a9a74a 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -1672,13 +1672,37 @@
 
 #ifdef CONFIG_FEATURE_MAKEDEVS_TABLE
 #define makedevs_trivial_usage \
-        "[-r rootdir] [device_table]"
+        "[-d device_table] rootdir"
 #define makedevs_full_usage \
-        "Creates a batch of special files as specified in a device table\n" \
-        "The device table has one line per device group, each group is of\n" \
-        "the format\n" \
-        "\ttype mode user group major minor start increment count\n" \
-        "a '-' may be used for blank entries\n"
+        "Creates a range of special files as specified in a device table.\n" \
+        "Device table entries take the form of:\n" \
+        "type mode user group major minor start increment count\n\n" \
+        "<type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count>\n" \
+        "Where name is the file name,  type can be one of:\n" \
+        "      f       A regular file\n" \
+        "      d       Directory\n" \
+        "      c       Character special device file\n" \
+        "      b       Block special device file\n" \
+        "      p       Fifo (named pipe)\n" \
+        "uid is the user id for the target file, gid is the group id for the\n" \
+        "target file.  The rest of the entries (major, minor, etc) apply to\n" \
+        "to device special files.  A '-' may be used for blank entries.\n\n" \
+#define makedevs_example_usage \
+        "For example:\n" \
+        "<name>    <type> <mode><uid><gid><major><minor><start><inc><count>\n" \
+        "/dev         d   755    0    0    -      -      -      -    -\n" \
+        "/dev/console c   666    0    0    5      1      -      -    -\n" \
+        "/dev/null    c   666    0    0    1      3      0      0    -\n" \
+        "/dev/zero    c   666    0    0    1      5      0      0    -\n" \
+        "/dev/hda     b   640    0    0    3      0      0      0    -\n" \
+        "/dev/hda     b   640    0    0    3      1      1      1    15\n\n" \
+        "Will Produce:\n" \
+        "/dev\n" \
+        "/dev/console\n" \
+        "/dev/null\n" \
+        "/dev/zero\n" \
+        "/dev/hda\n" \
+        "/dev/hda[0-15]"
 #endif
 
 #ifdef CONFIG_FEATURE_MD5_SHA1_SUM_CHECK