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wall

man page of wall

wall: write a message to users

NAME

wall - write a message to users

SYNOPSIS

wall [-n] [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.
OPTIONS
-n Supress banner
SEE ALSO
mesg(1), talk(1), write(1), shutdown(8)

HISTORY

A wall command appeared in Version 7 AT&T UNIX.

AVAILABILITY

The wall command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/. WALL(1)
 
 
 

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