rust-comm(1) on Linux
The text 053d089849f5, as Debian 12 (Bookworm) shipped it.
manual page for comm 9.1
Flags it lists
-
--check-order -
--help -
--nocheck-order -
--output-delimiter -
--total -
--version -
--zero-terminated -
-1 -
-2 -
-3 -
-z