tmux is a "terminal multiplexer". It allows a number of terminals (or windows) to be accessed and controlled from a single terminal. It is intended to be a simple, modern, BSD-licensed alternative to programs such as GNU screen. License: BSD License (revised) Changes: Major features implemented include basic multiplexing, window switching, attaching and detaching, window listing and renaming, key rebinding, terminal emulation sufficient to handle most curses applications, and a status line. Missing features include support for VT100 line drawing characters, status line customisation (aside from colour), copy and paste and scrollback, and mouse support.

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