MESG(1)                 GENIX Programmer's Manual                 MESG(1)



      NAME
           mesg - permit or deny messages

      SYNOPSIS
           mesg [ n ] [ y ]

      DESCRIPTION
           Mesg with argument n forbids messages via write(1) by revoking  non-
           user  write permission on the user's terminal.  Mesg with argument y
           reinstates permission.  All by  itself,  mesg  reports  the  current
           state without changing it.

      FILES
           /dev/tty*

      SEE ALSO
           write(1)

      DIAGNOSTICS
           Exit status is 0 if messages are receivable, 1 if not, 2 on error.



































      Printed 11/16/83                                                        1