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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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What are some of your most useful or favorite terminal commands? (piefed.social)

submitted 2 months ago by marighost@piefed.social to c/linux@lemmy.ml

131 comments fedilink hide all child comments

I've been setting up a new Proxmox server and messing around with VMs, and wanted to know what kind of useful commands I'm missing out on. Bonus points for a little explainer.

Journalctl | grep -C 10 'foo' was useful for me when I needed to troubleshoot some fstab mount fuckery on boot. It pipes Journalctl (boot logs) into grep to find 'foo', and prints 10 lines before and after each instance of 'foo'.

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[–] JoMiran@lemmy.ml 16 points 2 months ago* (last edited 2 months ago) (2 children)

It isn't a command but an application. I cannot do my work without it.

screen

[–] crispycone@lemmy.zip 14 points 2 months ago (2 children)

I prefer tmux, but yes. Both do a great job in helping me manage my terminal sessions.

[–] hades@feddit.uk 4 points 2 months ago (2 children)

tmux is based

[–] MCHEVA4EVA@lemmy.world 4 points 2 months ago

Tmux is good because I can have a little window with a bonsai in it and another little window for the matrix. Sometimes I even leave a window for typing in commands.

[–] corsicanguppy@lemmy.ca 2 points 2 months ago (1 children)

Based is fetch.

[–] fartographer@lemmy.world 1 points 2 months ago

Stop trying to make fetch happen

[–] JoMiran@lemmy.ml 4 points 2 months ago (1 children)

What can I say. I'm old.

[–] kittenroar@beehaw.org 3 points 2 months ago* (last edited 2 months ago) (1 children)

Scrolling in screen is superior to tmux imo

[–] wheezy@lemmy.ml 2 points 2 months ago (1 children)

Scrolling is tmux is what I hate about it. I would prefer to use tmux since I'm use to it. But if someone can explain to me why I can't just use my scroll wheel on my mouse.

[–] kittenroar@beehaw.org 2 points 2 months ago

As I understand it, the issue is that tmux invents its own terminal emulator functionality that conflicts with the existing terminal it runs within, while screen simply defers scroll functionality to the terminal emulator.

[–] eager_eagle@lemmy.world 1 points 2 months ago (1 children)

are you using a maintained alternative? Distros started to remove it from their repos years ago because it was not maintained anymore afaik

[–] JoMiran@lemmy.ml 1 points 2 months ago (1 children)

I have no idea where you got that from. 5.0.1 is from August 2025.

[–] eager_eagle@lemmy.world 2 points 2 months ago

maybe they resumed development then, it was removed from Ubuntu and RHEL repos about 5 years ago when I had to look for an alternative