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HP-UX Reference > Wwall(1M)HP-UX 11i Version 2: December 2007 Update |
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NAMEwall — write message to all users DESCRIPTIONWithout arguments, the wall command reads a message from standard input until end-of-file. Then it sends this message to all currently logged-in users preceded by: Broadcast Message from ... If the -ggroupname option is specified, wall sends the message to all currently logged-in groupname members (as specified in /etc/group) preceded by: Broadcast Message from ... to group groupname If file is specified, wall reads file instead of standard input. wall is typically used to warn all users prior to shutting down the system. The sender must have appropriate privileges to override any protections the users may have invoked (see mesg(1)). wall has timing delays, and takes at least 30 seconds to complete. You must have appropriate privileges to override any protections users may have invoked (see mesg(1)). |
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