[unix-history] / .ref-BSD-3 / usr / man / man1 / wall.1m

.TH WALL 1M 
.SH NAME
wall \- write to all users
.SH SYNOPSIS
.B /etc/wall
.SH DESCRIPTION
.I Wall
reads its standard input until an end-of-file.
It then sends this message,
preceded by
`Broadcast Message ...',
to all logged in users.
.PP
The sender should be super-user to override
any protections the users may have invoked.
.SH FILES
/dev/tty?
.br
/etc/utmp
.SH "SEE ALSO"
mesg(1), write(1)
.SH DIAGNOSTICS
`Cannot send to ...' when the open on
a user's tty file fails.
Commit	Line	Data
b0a27b14 BJ	1	.TH WALL 1M
	2	.SH NAME
	3	wall \- write to all users
	4	.SH SYNOPSIS
	5	.B /etc/wall
	6	.SH DESCRIPTION
	7	.I Wall
	8	reads its standard input until an end-of-file.
	9	It then sends this message,
	10	preceded by
	11	`Broadcast Message ...',
	12	to all logged in users.
	13	.PP
	14	The sender should be super-user to override
	15	any protections the users may have invoked.
	16	.SH FILES
	17	/dev/tty?
	18	.br
	19	/etc/utmp
	20	.SH "SEE ALSO"
	21	mesg(1), write(1)
	22	.SH DIAGNOSTICS
	23	`Cannot send to ...' when the open on
	24	a user's tty file fails.