pseudo-tty

pseudo-tty

Berkeley Unix networking device which appears to anapplication program as an ordinary terminal but which is infact connected via the network to a process running on adifferent host or a windowing system. Pseudo-ttys have aslave half and a control half. The slave tty (/dev/ttyp*) isthe device that user programs use and the control tty(/dev/ptyp*) is used by daemons to talk to the net.