Wall (Unix)
From Wikipedia, the free encyclopedia
- The correct title of this article is wall (Unix). 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@foo:~$ 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 and builtins (more) | |||
File and file system management: | cat | chattr | cd | chmod | chown | chgrp | cp | du | df | file | fsck | ln | ls | lsof | mkdir | mount | mv | pwd | rm | rmdir | split | touch | ||
Process management: | at | chroot | crontab | exit | kill | killall | nice | pgrep | pidof | pkill | ps | sleep | time | top | wait | watch | ||
User Management/Environment: | env | finger | id | mesg | passwd | su | sudo | uname | uptime | w | wall | who | whoami | write | ||
Text processing: | awk | comm | cut | ex | head | iconv | join | less | more | 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 |