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title: terminal multiplexers
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`screen` is a unix utility that lets you manage multiple shells from within a single window. You switch between them with a few keystrokes. When you disconnect it keeps the processes alive, and you can reconnect from another login.
It's pretty handy. [[tmux]] does a similar set of things.
a nice [screen tutorial](http://tilde.club/~jonathan/screen/) from ~jonathan will walk you through it.