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How do you save your current SSH state on a remote machine and then recall that state at a later point?

I have seen it done but not sure of the software involved.

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I'm not sure what you mean by "current SSH state", but maybe you're referring to the 'screen' program. This can be used to run programs on the remote host (typically a shell) and then be "detached" and reattached when logging in later. One can also resume a screen session after an SSH session got disconnected.

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Yeah, must be screen Hamish is having in mind.... – pipitas Jun 20 '11 at 22:06
All hail the screen program! – Darth Android Jun 20 '11 at 22:06
thanks very much – Hamish Jun 20 '11 at 22:33
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You need either GNU screen or (even better still) tmux!

When working on remote hosts, I always start a screen session (or tmux if it's available). It means that if I get disconnected (deliberately or otherwise) I do not lose any work.

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