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MESG(1) General Commands Manual MESG(1) NAME mesg -- display (do not display) messages from other users SYNOPSIS mesg [n | y] DESCRIPTION The mesg utility is invoked by a user to control write access others have to a terminal device. Write access is allowed by default, and programs such as talk(1) and write(1) may display messages on the ter- minal. The first terminal device in the sequence of devices associated with standard input, standard output and standard error is affected. The following options are available: n Disallow messages. y Permit messages to be displayed. If no arguments are given, mesg displays the present message status to the standard output. EXIT STATUS The mesg utility exits with one of the following values: 0 Messages are allowed. 1 Messages are not allowed. >1 An error has occurred. EXAMPLES Disallow messages from other users to the current terminal: mesg n Allow messages from other users to ttyp1 (assuming you are also logged in on that terminal): mesg y </dev/ttyp1 COMPATIBILITY Previous versions of the mesg utility wrote the message status to the standard error output and affected the terminal attached to standard error without first trying the standard input or output devices. SEE ALSO biff(1), talk(1), wall(1), write(1) STANDARDS The mesg utility conforms to IEEE Std 1003.1-2001 ("POSIX.1"). HISTORY A mesg command appeared in Version 1 AT&T UNIX. FreeBSD 14.3 May 5, 2002 MESG(1)
NAME | SYNOPSIS | DESCRIPTION | EXIT STATUS | EXAMPLES | COMPATIBILITY | SEE ALSO | STANDARDS | HISTORY
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