mesg(1) — Справочная страница Linux

MESG(1)                       User Commands                      MESG(1)

ИМЯ

       mesg - display (or do not display) messages from other users

СИНТАКСИС

       mesg [option] [n|y]

ОПИСАНИЕ

       The mesg utility is invoked by a user to control write access
       others have to the terminal device associated with standard error
       output. If write access is allowed, then programs such as talk(1)
       and write(1) may display messages on the terminal.

       Traditionally, write access is allowed by default. However, as
       users become more conscious of various security risks, there is a
       trend to remove write access by default, at least for the primary
       login shell. To make sure your ttys are set the way you want them
       to be set, mesg should be executed in your login scripts.

       The mesg utility silently exits with error status 2 if not
       executed on a terminal. In this case executing mesg is pointless.
       The command line option --verbose forces mesg to print a warning
       in this situation. This behaviour has been introduced in version
       2.33.

АРГУМЕНТЫ

       n
           Disallow messages.

       y
           Allow messages to be displayed.

       If no arguments are given, mesg shows the current message status
       on standard error output.

ВАРИАНТЫ

       -v, --verbose
           Explain what is being done.

       -h, --help
           Display help text and exit.

       -V, --version
           Print version and exit.

КОДЫ ВЫХОДА

       The mesg utility exits with one of the following values:

       0
           Messages are allowed.

       1
           Messages are not allowed.

       >1
           An error has occurred.

ФАЙЛЫ

       /dev/[pt]ty*, /dev/pts/[0-9]*

ИСТОРИЯ

       mesg (I) appears in the UNIX Programmer’s Manual. It used to
       invert the current state with no argument before Version 7 AT&T
       UNIX.

СМОТРИ ТАКЖЕ

       login(1), talk(1), write(1), wall(1), xterm(1)

СООБЩЕНИЕ ОБ ОШИБКАХ

       For bug reports, use the issue tracker at
       https://github.com/util-linux/util-linux/issues.

ДОСТУПНОСТЬ

       The mesg command is part of the util-linux package which can be
       downloaded from Linux Kernel Archive
       <https://www.kernel.org/pub/linux/utils/util-linux/>. This page
       is part of the util-linux (a random collection of Linux
       utilities) project. Information about the project can be found at
       ⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩. If you have
       a bug report for this manual page, send it to
       util-linux@vger.kernel.org. This page was obtained from the
       project's upstream Git repository
       ⟨git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git⟩ on
       2024-06-14. (At that time, the date of the most recent commit
       that was found in the repository was 2024-06-10.) If you discover
       any rendering problems in this HTML version of the page, or you
       believe there is a better or more up-to-date source for the page,
       or you have corrections or improvements to the information in
       this COLOPHON (which is not part of the original manual page),
       send a mail to man-pages@man7.org

util-linux 2.39.594-1e0ad      2023-07-19                        MESG(1)

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