Je kan hiervoor het proggie "Talk" gebruiken.
About talk
Talk with other logged in users.
Syntax
talk person [ttyname]
person If you wish to talk to someone on your own machine, then person is just the person's login name. If you wish to talk to a user on another host, then person is of the form 'user@host'.
ttyname If you wish to talk to a user who is logged in more than once, the ttyname argument may be used to indicate the appropriate terminal name, where ttyname is of the form 'ttyXX' or 'pts/X'.
Examples
talk hope
Typing the above command would start a talking session with the user hope.
Of het proggie "Write"
About write
Send a message to another user.
Syntax
write person [ttyname]
person If you wish to talk to someone on your own machine, then person is just the person's login name. If you wish to talk to a user on another host, then person is of the form 'user@host'.
ttyname If you wish to talk to a user who is logged in more than once, the ttyname argument may be used to indicate the appropriate terminal name, where ttyname is of the form 'ttyXX' or 'pts/X'.
Examples
write hope
Typing the above command would start a talking session with the user hope. If you type your name, you can echo back