X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=chiark-utils.git;a=blobdiff_plain;f=backup%2Fiwjbackup.txt;h=775e65aa2e2ffc44f2e48567a88a91cd579c9dbf;hp=39000ee29c74221a4dfa55a15d3b3f14b7ae9a00;hb=4ab01705d43752de160d2580489f8c3ac4014921;hpb=7d4185f54b99fef18f8661ea1d5974171f997f1e;ds=sidebyside

diff --git a/backup/iwjbackup.txt b/backup/iwjbackup.txt
index 39000ee..775e65a 100644
--- a/backup/iwjbackup.txt
+++ b/backup/iwjbackup.txt
@@ -64,12 +64,21 @@ In the fsys.* files:
 The file (including any included files) must end with the word 'end'
 on a line of its own.
 
-Valid values for <backup-type> are `cpio' (uses cpio to produce
-tar-format backups), `dump' (uses dump to dump entire filesystems;
-<directory name> should be a mount-point for this), `zafio' (uses afio
-to compress each file as it is backed up), and `ntfsimage' (for NTFS
-volumes, requires device name).  Only `dump' type backups perform
-incremental backups.
+Valid values for <backup-type> are
+  cpio
+    uses cpio to produce tar-format backups
+  dump
+    uses dump to dump entire filesystems
+    <directory name> should be a mount-point
+  gtar
+    uses GNU tar to produce GNU tar format backups and -N-based
+    semi-incrementals (not --incremental or --listed-incremental)
+  zafio
+    uses afio to compress each file as it is backed up
+  ntfsimage
+    for NTFS volumes, requires device name
+Only `dump' and `gtar' type backups perform any kind of incremental
+backups.
 
 <options> is a comma-separated list of <option> or <option>=<value>.
 Options supported: