/var/rwho/whod.*
information about other machines
Who is logged in on local machines
rwho [-a]
The rwho command produces output similar to who(1), but for all machines on the local network. If no report has been received from a machine for 11 minutes then rwho assumes the machine is down, and does not report users last known to be logged into that machine.
If a user has not typed to the system for a minute or more, then rwho reports this idle time.
The following option is available:
-a
Include all users. By default, if a user has not typed to the system for an hour or more, then the user will be omitted from the output.
Not on Linux./var/rwho/whod.*
information about other machines
87 releases since FreeBSD 2.0.5-RELEASE; the text changed 42 times.
-a since FreeBSD 4.1-RELEASE.