WRITE(1) General Commands Manual WRITE(1)NAME
write - send a message to a logged-in user
write [-cv] user [tty]
OPTIONS -c Use cbreak mode
-v Verbose mode
write ast # Send a message to ast
write ast tty00 # Send a message to ast on tty00
Write lets a user send messages to another logged-in user. Lines typed by the user appear on the other user's screen a line at a time (a
character at a time in the case of cbreak mode). The file /usr/adm/wtmp is searched to determine which tty to send to. If the user is
logged onto more than one terminal, the tty argument selects the terminal. Type CTRL- D to terminate the command. Use ! as a shell
SEE ALSO mail(1).
Check Out this Related Man Page
WRITE(1) BSD General Commands Manual WRITE(1)NAME
write -- send a message to another user
write user [tty]
The write utility allows you to communicate with other users, by copying lines from your terminal 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
You can prevent people (other than the super-user) from writing to you with the mesg(1) command.
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 termi-
nal 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
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 is
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), wall(1), who(1)HISTORY
A write command appeared in Version 1 AT&T UNIX.
The sender's LC_CTYPE setting is used to determine which characters are safe to write to a terminal, not the receiver's (which write has no
way of knowing).
BSD February 13, 2012 BSD
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