WALL (1) | General commands | Unix Manual Pages | :man▋
wall - write a message to users
wall [-g group] [file]
The wall utility 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.
|-g || Send messages to users in this group. This option may be specified multiple times, and any user in any of the specified groups will receive the message. |
mesg(1), talk(1), write(1), shutdown(8)
Share this page