Alter Aeon Online Help

Keywords are:  '% channel who'

%who
%who <channel name>

The who command is used to see who is connected to your current channel, or
who is connected to another channel.  All players connected or listening
will be displayed.

Note that you will also see people you are ignoring, and people who are
ignoring you.  Ignored people will have a '*' in front of their name.