Uses of tmux explained
summary
tmux runs as a client-server via Unix domain socket and creates pseudo-terminals with openpty so sessions persist when the client disconnects; detach and reattach is literal state handoff not just windowing. Screen sharing works by making the socket writable so multiple terminals view and type the same session. Using -d mode the workflow opens multiple SSH windows at once — demo uses three MongoDB replica nodes — letting synchronized commands run across servers. The code includes a strong VT100 emulation.
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