Console – An Interview with Kovid Goyal of Kitty, the GPU Based Terminal

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  • dtach

    A simple program that emulates the detach feature of screen

  • > What's an opinion you have that most people don't agree with?

    > Haha. I specialize in having opinions people don’t agree with :) In kitty, the most controversial is probably that terminal multiplexers are the devils’ gift to mankind.

    I cannot agree strongly enough that the virtualized rendering done by programs like screen & tmux is a curse. Trying to get truecolor tmux+ssh+tmux+vim working in truecolor mode is a disaster. Terminal-multiplexers emulate a screen and then render their buffered session to whomever is attached, and it's a frustrating, bad, lossy process. Often the original session and what attaches don't match, and there's not much one can really do. I am not a terminal expert but the situation seems awful, & is one of the highest elder crafts of computing, far more subtle & deranged than one could ever imagine.

    Kitty tries to re-build a lot of these terminal multiplexer functionalities itself. It has tabs, it has splits. Generally kitty is a pretty do-all terminal system. Afaik there's not really any way presently to solve the root of these mismatch problems, which is basically that programs generally don't reevaluate their TERM environment variable, even though these environs are technically editable at runtime (by the process, or outsiders).

    Kovid (Kitty author) talks about being a vim user. I too am a vim user. In fact, one of my favorite techniques has been to just live inside vim, to use it's terminal emulator, to get ok (i'm still pretty not good) at using it's splits and windows to lay stuff out. The one missing agent for me was that I wanted a way to be able to detach my vim session & come back latter. I spent considerable time trying reptyr & other ways to reattach processes. After much failure at getting vim to detach/reattach, to persist across sessions, I eventually re-encountered a program dtach[1] I'd run into years ago, which works great. Unlike tmux and screen, it's not a terminal emulator. It's just a dumb pipe that a program can render into, and a way to reattach to that pipe again latter. It can run in detached mode so that if your session exits, the program stays open. This way, I can just open vim & have my entire workspace inside vim, with whatever terminals I need, and detach/reattach the vim session at my leisure.

    [1] https://github.com/crigler/dtach

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