pxssort(1) on Linux
The text 37d4babe4387, as Debian 12 (Bookworm) shipped it.
manual page for pxssort 1.3
Flags it lists
-
--citation -
--help -
--outf -
--seqf -
--sortby -
--version -
-C -
-V -
-b -
-h -
-o -
-s