Write (Unix)
Unix command to send messages to another user by writing directly to their terminal
In Unix and Unix-like operating systems, write is a utility used to send messages to another user by writing a message directly to another user's TTY.
01History
The write command was included in the First Edition of the Research Unix operating system. A similar command appeared in Compatible Time-Sharing System.
02Sample usage
The syntax for the write command is:
$ write user [tty] messageThe write session is terminated by sending EOF, which can be done by pressing Ctrl+D. The tty argument is only necessary when a user is logged into more than one terminal.
A conversation initiated between two users on the same machine:
$ write root pts/7 Hello!Will show up to the user on that console as:
Message from root@wiki on pts/8 at 11:19 ... Hello!Sources and credits
This article is adapted from the Wikipedia article “Write (Unix)”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
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