document updated 15 years ago, on Sep 27, 2010

watching another TTY, but don't interact with it
- snoop
- ttysnoop — attach a process running on another terminal
TTY hijacking
- retty — move a process to another terminal
- ptrace-based methods
- injcode — move a process to another terminal (using ptrace and code-injection!)
- Phrack article
- http://www.ucc.asn.au/~dagobah/things/grab.c
  - a [MUCH] more advanced version of that!