who(1) on Linux
The text 9b3c6c31c46b, as Debian 2.2 (Potato) shipped it.
show who is logged on
Flags it lists
-
--count -
--heading -
--help -
--idle -
--lookup -
--mesg -
--message -
--version -
--writable -
-H -
-T -
-i -
-l -
-m -
-q -
-s -
-u -
-w