.ll +8
.B gzip
.RB [ " \-acdfhklLnNrtvV19 " ]
+.RB [ --rsyncable ]
.RB [ \-S\ suffix ]
[
.I "name \&..."
.I gunzip
).
.TP
+.B --rsyncable
+While compressing, synchronize the output occasionally based on the input.
+This increases size by less than 1 percent most cases, but means that the
+.BR rsync (1)
+program can take advantage of similarities in the uncompressed input
+when synchronizing two files compressed with this flag.
+.I gunzip
+cannot tell the difference between a compressed file created with this option,
+and one created without it.
+.TP
.B \-S .suf --suffix .suf
When compressing, use suffix .suf instead of .gz.
Any non-empty suffix can be given, but suffixes