Write (Unix)
| write | |
|---|---|
| Original author(s) | Dennis Ritchie, Ken Thompson | 
| Developer(s) | AT&T Bell Laboratories | 
| Initial release | November 3, 1971 | 
| Operating system | Unix and Unix-like | 
| Platform | Cross-platform | 
| Type | Command | 
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.