pgzf(1) on Linux
The text 577906f360e4, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it. The page shows this text now.
Parallel gzip file IO
Flags it lists
-
-V -
-b -
-d -
-f -
-h -
-l -
-t -
-x