How tmux Parses Escape Sequences Fast
The single hottest path in tmux is not the redraw — it is the parser. Every byte that any program in any pane produces goes through tmux’s own VT parser, and a yes or a cat of a …
Tmux
How tmux Splits the Terminal into Panes
Splitting a terminal into panes sounds like a geometry problem, and it is — but the hard part is not the geometry. It is that the layout has to be serialisable, so that it can be …
How tmux Sanitises Window Names Against Injection
Window names in tmux are not just strings. They end up in status lines, in control-mode notifications, in #{window_name} format expansions, and in hook commands that are expanded …
Why tmux Needs Its Own Terminal Emulator
tmux links against ncurses. It uses ncurses for exactly one thing: reading the terminfo database. Everything else — parsing escape sequences, maintaining the screen, tracking the …
tmux Control Mode Is an Unauthenticated Command Channel
tmux -C puts tmux into control mode: instead of drawing a screen, the client speaks a line protocol and gets structured events back. It is the mechanism behind tmux integrations in …