See pty(1), pty-basic(1), and pty-opts(1) for a description of pty and its options.
sess enters the user into /etc/utmp by default; this can be turned off with
When sess receives a HUP signal, i.e., when the connection is manually hung up, it disconnects program from the outside world and waits for a reconnect. You can manually disconnect a session with disconnect.
Sessions are named by their pseudo-terminal extension: for example, a session under /dev/ttyp5 has name p5. You can use sessname to give them more descriptive names, printed by sesslist.
See ``An introduction to session management'' for a more complete description of the session manager interface.