w(1) on FreeBSD
The text b34afd9e4091, as FreeBSD 2.1.7.1-RELEASE, FreeBSD 2.1.7-RELEASE, FreeBSD 2.1.5-RELEASE, FreeBSD 2.0.5-RELEASE shipped it.
who present users are and what they are doing
Flags it lists
-
-M -
-N -
-h -
-i -
-n