When decompressing, add .suf to the beginning of the list of
suffixes to try, when deriving an output file name from an input file name.
.TP
+.B --synchronous
+Use synchronous output. With this option,
+.I gzip
+is less likely to lose data during a system crash, but it can be
+considerably slower.
+.TP
.B \-t --test
Test. Check the compressed file integrity.
.TP
The default compression level is
.BR \-6
(that is, biased towards high compression at expense of speed).
+.TP
+.B \-\-rsyncable
+When you synchronize a compressed file between two computers, this option allows rsync to transfer only files that were changed in the archive instead of the entire archive.
+Normally, after a change is made to any file in the archive, the compression algorithm can generate a new version of the archive that does not match the previous version of the archive. In this case, rsync transfers the entire new version of the archive to the remote computer.
+With this option, rsync can transfer only the changed files as well as a small amount of metadata that is required to update the archive structure in the area that was changed.
.SH "ADVANCED USAGE"
Multiple compressed files can be concatenated. In this case,
.I gunzip
Recompress the file with gzip, which compresses better and uses
less memory.
.TP
-\fIfile\fP\^: already has .gz suffix -- no change
+\fIfile\fP\^: already has .gz suffix -- unchanged
The file is assumed to be already compressed.
Rename the file and try again.
.TP
compresses better than
.IR gzip .
.SH "COPYRIGHT NOTICE"
-Copyright \(co 1998-1999, 2001-2002, 2012, 2015 Free Software Foundation, Inc.
+Copyright \(co 1998-1999, 2001-2002, 2012, 2015-2016 Free Software Foundation,
+Inc.
.br
Copyright \(co 1992, 1993 Jean-loup Gailly
.PP