compress(1) on FreeBSD
The text b4a1acb3c827, as FreeBSD 14.5-RELEASE, FreeBSD 14.4-RELEASE, FreeBSD 14.3-RELEASE, FreeBSD 14.2-RELEASE, FreeBSD 14.1-RELEASE, FreeBSD 14.0-RELEASE shipped it.
compress and expand data
Flags it lists
-
-b -
-c -
-f -
-v