gzip(1) on OpenBSD
The text 4b5a5f71fab5, as OpenBSD 7.2, OpenBSD 7.1 shipped it.
compress and expand data (deflate mode)
Flags it lists
-
-1...9 -
-L -
-N -
-O -
-S -
-V -
-b -
-c -
-d -
-f -
-h -
-k -
-l -
-n -
-o -
-q -
-r -
-t -
-v