& comsys2
  
  For example:
  > pub off
  [Public] Foobar has left this channel.
 
  > pub on
  You have joined channel Public.
  [Public] Foobar has joined this channel.
 
  > pub who
  -- Players --
  Foobar(#23PWc)
  Wizard(#1PWc)
  -- Objects --
  -- Public --
 
  > pub Hello world!  
  [Public] Foobar says, "Hello world!"
 
  { 'help comsys commands' for more }