this post was submitted on 11 Jul 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Well, not knowing what other explanations you've read but don't understand/grasp makes it a bit difficult to narrow down specifics, though to start from the beginning,
tmuxis a terminal multiplexer, what that means is that it will allow multiple sessions running concurrently under the same virtual terminal. It provides keyboard shortcuts to switch between them, or split them and display them concurrently.The biggest use case for me however (though I use an older one called
screenout of hard to shake habits) is the ability to detach and attach at will, so that any disconnected remote sessions won't kill whatever I happen to be working on. Alternatively, I can have running sessions locally on my current machine and then I can go elsewhere and remote in and resume from where I've left off.A somewhat frowned upon use case is to use it to run "background" processes on a remote server - like a development web service that you just can't be bothered to properly package/daemonize - just open
screenortmux, start it, and detach the session and it should stay running barring any other problems.I use
screenstill too, partly because it's generally installed on everything already, like vim. I hardly ever use anything but a maximised (i.e. full-terminal) screen at once, so it doesn't sound like I'm missing much from tmux.De/reattaching's extremely useful and another thing I really like in screen is being able to scroll and search the scrollbuffer.
If I was ready for an upgrade, I'd probably go for zellij.
I use
screenas well. It is significantly faster thantmux.in most cases screen/tmux is an overkill, I prefer using
setsidfor quick and dirty scripts, it just starts a process in a new session, detached from parent terminal. Ornohupwhen I need to check the output. Both available on most linux systems by default.