⌨️ Hacker factorĮven if you're just learning how to use the terminal, you're sure to feel every bit like the hacker you are by using tmux. The default trigger key for tmux is Ctrl+B, although it's easy to redefine this in its configuration file. ![]() Installing tmux from a package occupies roughly 700K, not counting the dozen shared libraries it depends upon. It can split, stack, select, and serve there's practically nothing it can't do. And flexibility is what users get with tmux. Tmux had vertical splits back when GNU Screen only had horizontal splits, which attracted fans looking for maximum flexibility. Using tmux's ability to mirror (or reverse multiplex, in electronics terms) input to other open panes, it's possible to control several computers at once from one central command pane. It splits your terminal screen into panes so that you can open unique terminal prompts in each.īy extension, this means you can also connect remotely to any number of systems and have them open in your terminal, too. It runs as a daemon so that your terminal session remains active even after you close the terminal emulator you're viewing it in. TmuxĪs far as I know, it was tmux that started using the "multiplexer" term. In terms of my evaluation criteria, at the bare minimum, I needed each multiplexer to split and stack terminal windows. So, I decided to take a look at a few of the popular ones to see how each one measures up. Whatever the term means, anybody who's tried a multiplexer has a favorite. In a way, that's pretty descriptive of what a terminal multiplexer can do: It can provide lots of screens within one frame. Then again, the term "multiplex" is also a term popular in the US for a cinema with many screens (sharing mindshare with the term "cineplex"). It receives instructions from one input (the human at the keyboard typing into one terminal window) and forwards that input to any number of outputs (for example, a group of servers). A terminal multiplexer does the opposite. ![]() In traditional electronics, a "multiplexer" is a component that receives several input signals and forwards the selected one to a single output. With this much multitasking going on, it's no surprise that somebody invented the concept of a terminal multiplexer. Free online course: RHEL Technical Overview.
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