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Absolute OpenBSD, 2nd Edition by Michael W. Lucas

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Running Virtual Terminals with tmux

The terminal multiplexer tmux(1) lets you run multiple virtual terminals inside one OpenBSD terminal window. While standard virtual terminals disappear when you disconnect from the system, tmux virtual terminals continue to run even after you disconnect. tmux is small, fast, easy to use, and written with the same care as the rest of OpenBSD.

Why would you need tmux? One example is for building programs. Just before I leave the office, I use my laptop to make an SSH connection into an OpenBSD server, create a virtual terminal, start building a huge program (such as OpenOffice.org), and shut down my laptop. Normally, the build on the server would terminate when my session is interrupted, but the tmux virtual ...

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