mesg(1) manual page
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mesg - permit or deny messages
mesg [ -n | -y | n | y ]
SUNWcsu
The mesg utility will control whether other users are allowed
to send messages via write, talk(1)
or other utilities to a terminal device.
The terminal device affected is determined by searching for the first terminal
in the sequence of devices associated with standard input, standard output
and standard error, respectively. With no arguments, mesg reports the current
state without changing it. Processes with appropriate privileges may be
able to send messages to the terminal independent of the current state.
The following options are supported:
- -n | n
- Deny permission to other
users to send message to the terminal. See write(1)
.
- -y | y
- Grant permission
to other users to send messages to the terminal.
See environ(5)
for descriptions of the following environment variables that affect the
execution of mesg: LC_CTYPE
, LC_MESSAGES
, and NLSPATH
.
- if messages
are receivable
- if messages are not receivable
- on error.
- /dev/tty*
- terminal
devices
talk(1)
, write(1)
, environ(5)
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