w.procps(1) on Linux
The text b7cc6a24d6d1, as Debian 7 (Wheezy) shipped it.
Show who is logged on and what they are doing.
Flags it lists
-
--from -
--help -
--no-current -
--no-header -
--old-style -
--short -
--version -
-V -
-f -
-h -
-o -
-s -
-u