Add some help descriptions

1 files changed, 44 insertions, 10 deletions

diff --git a/archival/Config.in b/archival/Config.in
index 121cf0282..bbd3fa0d5 100644
--- a/archival/Config.in
+++ b/archival/Config.in
@@ -15,7 +15,13 @@ config CONFIG_AR
           retrieve the original individual files (called archive members).
           The original files' contents, mode (permissions), timestamp, owner,
           and group are preserved in the archive, and can be restored on
-          extraction.  
+          extraction.
+          The stored filename is limited to 15 characters. (for more information
+          see long filename support).
+          ar has 60 bytes of overheads for every stored file.
+
+          This implementation of ar can extract archives, it cannot create or
+          modify them.
           On an x86 system, the ar applet adds about XXX bytes.
 
           Unless you have a specific application which requires ar, you should
@@ -26,7 +32,10 @@ config CONFIG_FEATURE_AR_LONG_FILENAMES
         default n
         depends on CONFIG_AR
         help
-          Please submit a patch to add help text for this item.
+          By default the ar format can only store the first 15 characters of the
+          filename, this option removes that limitation.
+          It supports the GNU ar long filename method which moves multiple long
+          filenames into a the data section of a new ar entry.
 
 config CONFIG_BUNZIP2
         bool "bunzip2"
@@ -38,8 +47,8 @@ config CONFIG_BUNZIP2
           conventional LZ77/LZ78-based compressors, and approaches the
           performance of the PPM family of statistical compressors.  
           
-          The BusyBox bunzip2 applet is limited to de-compression only.  On an
-          x86 system, this applet adds about XXX bytes.
+          The BusyBox bunzip2 applet is limited to de-compression only.
+          On an x86 system, this applet adds about XXX bytes.
           
           Unless you have a specific application which requires bunzip2, you
           should probably say N here.
@@ -48,40 +57,64 @@ config CONFIG_CPIO
         bool "cpio"
         default n
         help
-          Please submit a patch to add help text for this item.
+          cpio is an archival utility program used to create, modify, and extract
+          contents from archives.
+          cpio has 110 bytes of overheads for every stored file.
+
+          This implementation of cpio can extract cpio archives created in the
+          "newc" or "crc" format, it cannot create or modify them. 
+
+          Unless you have a specific application which requires cpio, you should
+          probably say N here.
 
 config CONFIG_DPKG
         bool "dpkg"
         default n
         help
-          Please submit a patch to add help text for this item.
+          dpkg is a medium-level tool to install, build, remove and manage Debian packages.
+          
+          This implementation of dpkg has a number of limitations, you should use the
+          official dpkg if possible.
 
 config CONFIG_DPKG_DEB
         bool "dpkg_deb"
         default n
         help
-          Please submit a patch to add help text for this item.
+          dpkg-deb packs, unpacks and provides information about Debian archives.
+          
+          This implementation of dpkg-deb cannot pack archives.
+          
+          Unless you have a specific application which requires dpkg-deb, you should
+          probably say N here.
 
 config CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
         bool "  extract only (-x)"
         default n
         depends on CONFIG_DPKG_DEB
         help
-          Please submit a patch to add help text for this item.
+          This reduced dpkg-deb to the equivalent of "ar -p <deb> data.tar.gz | tar -zx".
+          However it saves space as none of the extra dpkg-deb, ar or tar options are 
+          needed, they are linked to internally.
 
 config CONFIG_FEATURE_DEB_TAR_GZ
         bool "  gzip debian packages (normal)"
         default y if CONFIG_DPKG || CONFIG_DPKG_DEB
         depends on CONFIG_DPKG || CONFIG_DPKG_DEB
         help
-          Please submit a patch to add help text for this item.
+          This is the default compression method inside the debian ar file.
+          
+          If you want compatability with standard .deb's you should say yes here.
 
 config CONFIG_FEATURE_DEB_TAR_BZ2
         bool "  bzip2 debian packages"
         default n
         depends on CONFIG_DPKG || CONFIG_DPKG_DEB
         help
-          Please submit a patch to add help text for this item.
+          This allows dpkg and dpkg-deb to extract deb's that are compressed internally
+          with bzip2 instead of gzip.
+          
+          You only want this is your are creating your own custom debian packages that
+          use an internal control.tar.bz2 or data.tar.bz2.
 
 config CONFIG_GUNZIP
         bool "gunzip"
@@ -112,6 +145,7 @@ config CONFIG_TAR
         bool "tar"
         default n
         help
+          tar has at least 512 bytes of overheads for every stored file.
           Please submit a patch to add help text for this item.
 
 config CONFIG_FEATURE_TAR_CREATE