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. |