X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=src%2Fguestfs.pod;h=3794023afcac27cda1a3e71a868d635eb36cf3e7;hp=e1fa4f5a81b802f6740de2b1bb516d9ede9aecdb;hb=ba39ced8804765705f4c61a92db0fddb8d672c7d;hpb=55641f5d1e9964f8a039005b511b8e688c92cddb

diff --git a/src/guestfs.pod b/src/guestfs.pod
index e1fa4f5..3794023 100644
--- a/src/guestfs.pod
+++ b/src/guestfs.pod
@@ -258,9 +258,11 @@ L</guestfs_tgz_out>.
 It's often the case that you want to write a file or files to the disk
 image.
 
-For small, single files, use L</guestfs_write_file>.  This call
-currently contains a bug which limits the call to plain text files
-(not containing ASCII NUL characters).
+To write a small file with fixed content, use L</guestfs_write>.  To
+create a file of all zeroes, use L</guestfs_truncate_size> (sparse) or
+L</guestfs_fallocate64> (with all disk blocks allocated).  There are a
+variety of other functions for creating test files, for example
+L</guestfs_fill> and L</guestfs_fill_pattern>.
 
 To upload a single file, use L</guestfs_upload>.  This call has no
 limits on file content or size (even files larger than 4 GB).
@@ -803,6 +805,13 @@ supports the functionality.
 
 @AVAILABILITY@
 
+=head2 GUESTFISH supported COMMAND
+
+In L<guestfish(3)> there is a handy interactive command
+C<supported> which prints out the available groups and
+whether they are supported by this build of libguestfs.
+Note however that you have to do C<run> first.
+
 =head2 SINGLE CALLS AT COMPILE TIME
 
 If you need to test whether a single libguestfs function is