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same file being opened by two users at a time
Post 302272584 by paresh n doshi on Wednesday 31st of December 2008 03:34:03 AM
12-31-2008
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LEARN ABOUT HPUX
wall
wall(1M) wall(1M) NAME
wall - write message to all users SYNOPSIS
groupname] [file] DESCRIPTION
Without arguments, the command reads a message from standard input until end-of-file. Then it sends this message to all currently logged- in users preceded by: If the option is specified, sends the message to all currently logged-in groupname members (as specified in preceded by: If file is specified, reads file instead of standard input. 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)). 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)). EXTERNAL INFLUENCES
International Code Set Support Single- and multibyte character code sets are supported. DIAGNOSTICS
The open on a user's tty file failed. WARNINGS
The command will be WITHDRAWN from X/Open standard and may not be portable to other vendor's platforms. AUTHOR
was developed by AT&T and HP. FILES
SEE ALSO
mesg(1), write(1). STANDARDS CONFORMANCE
wall(1M)