More generally, type ~ as an escape sequence.
For example, type ~^Z to put a session in the background.
Similarly, type ~~ to send an escape sequence in an inner session, etc...
For example, type ~^Z to put a session in the background.
Similarly, type ~~ to send an escape sequence in an inner session, etc...
There's a program called SSH to get to another CPU.
Tilde is the escape, it's doubled to send it through,
And "quit" is tilde-.
If you have an ACM subscription, the sheet music was published in Communications of the ACM (Volume 27, Issue 4; April 1984): http://dl.acm.org/citation.cfm?id=1035691