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WALL

Section: User Commands (1)
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BSD mandoc
Linux 0.99  

NAME

wall - write a message to users  

SYNOPSIS

wall [file ]  

DESCRIPTION

Wall displays the contents of file or, by default, its standard input, on the terminals of all currently logged in users.

Only the super-user can write on the terminals of users who have chosen to deny messages or are using a program which automatically denies messages.

Reading from a file is refused when the invoker is not superuser and the program is suid or sgid.  

SEE ALSO

mesg(1), talk(1), write(1), shutdown(8)  

HISTORY

A wall command appeared in AT&T System v7 .


 

Index

NAME
SYNOPSIS
DESCRIPTION
SEE ALSO
HISTORY




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