Mesg command
From NetworkCommands
A command available on most Linux platforms; used to enable or disable write access to a user's console/terminal.
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Usage Syntax
mesg [y|n]
The only two options are;
- y - enable write access to your console/terminal
- n - disable write access to your console/terminal
If no option is specified, your console/terminal write access status is displayed
Usage Examples
mesg - display console/terminal write access status
mesg n - disable write access to your console/terminal
Usage Notes
Write access to your console/terminal is normally enabled by default
If no option is specified, your console/terminal write access status is displayed
Disabling write access to your console/terminal prevents receipt of instant messages sent by other users using the wall command
Linux Usage Notes
With most Linux or Unix commands;
- Brief help can be displayed using the option/keyword: -h or --help, for example: chmod --help
- A full command manual can be displayed using the man command followed by the command name, for example: man chmod
- Sometimes 'info' pages are used instead of or to provide more information than man pages; for example: info chmod
- Version information can be display using the option/keyword: -v or --version, for example: chmod --version
Typical Output
[user@f5-device#]$ mesg is y
Related Files
The mesg executable is normally found here: /usr/bin/mesg
Related Commands
The wall command can be used to 'write' (aka send or display) messages to other users consoles/terminals
Related Articles
Information on other Linux commands 
Information on F5 BigIP commands 
Information on Cisco commands 
Information on Vyatta commands 
Information on Extreme commands 
Information on Zebra commands
Information on Secure Platform commands
Information on Blue Coat SGOS commands
Information on Nokia IPSO commands
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