pseudo(1)                                                  pseudo(1)


       NAME
             pseudo - STREAMS interface for non-STREAMS devices

       SYNOPSIS
             pseudo [-l] [-m line]

       DESCRIPTION
             The pseudo command provides a STREAMS interface on non-STREAMS
             tty devices.  It opens a master pseudo-tty device (/dev/ptmx)
             and a slave pseudo-tty device (/dev/pts/???).  It pushes the
             pseudo-terminal emulation module ptem(7), then a line
             discipline module, ldterm(7) by default, onto the slave to
             connect the master and the slave.  (The stream may be
             subsequently manipulated with other commands to provide the
             desired configuration.)  pseudo then forks to become two
             processes.  One reads from the user's tty line and writes to
             the pseudo-tty; the other reads from the pseudo-tty and writes
             to the user's tty.  On the pseudo-tty side, a shell is
             executed.

             pseudo accepts the following options:

             -l      Execute a ``login shell'' (executed as -sh).  By
                     default, pseudo executes a simple interactive shell
                     (sh -i).

             -m line Push line discipline module line instead of the
                     default ldterm module.  At most one line discipline is
                     pushed.

             The effect of running pseudo is that the user obtains an
             interactive shell with the standard I/O files connected to a
             STREAMS device that behaves as a real tty.  This is useful in
             situations where a STREAMS device is desired but a non-STREAMS
             device driver is being used.

             When the executed shell exits, pseudo exits and control
             returns to the original tty with the original termio(7)
             parameters.

       FILES
             /dev/ptmx       pseudo-terminal master device

             /dev/pts/*      pseudo-terminal slave devices




                           Copyright 1994 Novell, Inc.               Page 1

      pseudo(1)                                                  pseudo(1)


      REFERENCES
            ldterm(7), ptem(7), pty(7)














































                          Copyright 1994 Novell, Inc.               Page 2