units-filter(1) on Linux
The text 528f35f9eb7c, as Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
Flags it lists
-
-l -
-o -
-s
The text 528f35f9eb7c, as Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
-l
-o
-s