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You type `screen` on a server, start a long `pg_dump`, and close your laptop. The dump keeps running. That single behavior is why the tool still exists after

Your SSH connection drops halfway through an `apt upgrade`, and your entire deploy stalls because your terminal is dead. Had you used tmux, that upgrade would have continued running.

Vim: the modal editor that lives in your terminal Vim is a text editor built for the terminal, a direct descendant of the original Unix `vi`, and it ships by