Using GNU Screen on a Remote Machine

Cables - source http://www.sxc.hu/photo/496858

I recently posted about using nohup to run a command, particularly on a remote machine, that keeps running even when you close the terminal or connection that started it.

Several people in the comments there also suggested GNU Screen for a similar purpose.

So, what is Screen? It describes itself as:

... a full-screen window manager that multiplexes a physical terminal between several processes, typically interactive shells.

Basically, among other things ...

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