Linux / Unix Command: wall

Command Library

NAME

wall -- send a message to everybody's terminal.  

SYNOPSIS

wall [ message ]  

DESCRIPTION

Wall sends a message to everybody logged in with their mesg(1) permission set to yes. The message can be given as an argument to wall, or it can be sent to wall's standard input. When using the standard input from a terminal, the message should be terminated with the EOF key (usually Control-D).

The length of the message is limited to 20 lines.  

SEE ALSO

mesg(1), rpc.rwalld(8).  

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