WRITE(1) Linux Programmer's Manual WRITE(1)
NAME
write - send a message to another user
SYNOPSIS
write user [ttyname]
DESCRIPTION
Write allows you to communicate with other users, by copying lines from your termi-
nal to theirs.
When you run the write command, the user you are writing to gets a message of the
form:
Message from yourname@yourhost on yourtty at hh:mm ...
Any further lines you enter will be copied to the specified user's terminal. If
the other user wants to reply, they must run write as well.
When you are done, type an end-of-file or interrupt character. The other user will
see the message EOF indicating that the conversation is over.
You can prevent people (other than the super-user) from writing to you with the
mesg(1) command. Some commands, for example nroff(1) and pr(1), may disallow writ-
ing automatically, so that your output isn't overwritten.
If the user you want to write to is logged in on more than one terminal, you can
specify which terminal to write to by specifying the terminal name as the second
operand to the write command. Alternatively, you can let write select one of the
terminals - it will pick the one with the shortest idle time. This is so that if
the user is logged in at work and also dialed up from home, the message will go to
the right place.
The traditional protocol for writing to someone is that the string '-o', either at
the end of a line or on a line by itself, means that it's the other person's turn
to talk. The string 'oo' means that the person believes the conversation to be
over.
SEE ALSO
mesg(1), talk(1), who(1)
HISTORY
A write command appeared in Version 6 AT&T UNIX.
12 March 1995 WRITE(1)
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