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From: ron@brl-tgr.UUCP (ron)
Newsgroups: net.unix-wizards
Subject: Orphaned Response
Message-ID: <9583@brl-tgr.UUCP>
Date: Fri, 29-Mar-85 13:19:00 EST
Article-I.D.: brl-tgr.9583
Posted: Fri Mar 29 13:19:00 1985
Date-Received: Sun, 14-Apr-85 02:49:04 EST
References: <9389@brl-tgr.UUCP>
Organization: Hewlett-Packard
Lines: 8

They are not Pseudotty's in the Berkeley sense.  A Berkeley PTY has two sides,
the side that looks like a tty to an application, and the control side which
is connected to your communications program like telnetd or mpx or whatever.
The System V SXT devices multiplex multiple "TTY devices" into a single channel
going to a terminal.  You can't divert the backend to a program, it always
goes to the terminal that did the LINK ioctl to pick up the group of pty's.

-Ron