Wall (Unix)
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- The correct title of this article is wall. The initial letter is shown capitalized due to technical restrictions.
wall is a Unix command line utility. When invoked, it displays the contents of a file or standard input to all logged-in users. Its name is an abbreviation of "write to all".
[edit] Invocation
wall is invoked as follows:
foo@lothlorien:~$ wall <filename>
To take standard input as the file, omit the filename.
[edit] Output
When invoked, wall displays the following output:
Broadcast Message from foo@lothlorien (/dev/pts/0) at 01:23 ... This is the message that would be sent.
[edit] References
| Unix command line programs (more) | |||
| File and file system management: | cat | cd | chmod | chown | chgrp | cp | du | df | file | fsck | ln | ls | lsof | mkdir | more | mount | mv | pwd | rm | rmdir | split | touch | tree | ||
| Process management: | anacron | at | chroot | crontab | kill | killall | nice | pgrep | pidof | pkill | ps | sleep | screen | time | timex | top | wait | ||
| User Management/Environment: | env | finger | id | locale | mesg | passwd | su | sudo | uname | uptime | w | wall | who | whoami | write | ||
| Text processing: | awk | cut | diff | ex | head | iconv | join | less | more | nkf | paste | sed | sort | tail | tr | uniq | wc | xargs | ||
| Shell programming: | echo | expr | printf | unset | Printing: | lp |
| Communications: inetd | netstat | ping | rlogin | traceroute |
Searching: find | grep | strings |
Miscellaneous: banner | bc | cal | man | size | yes |
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