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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).

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Linux Directory Structure - FHS (lemm.ee)

submitted 2 months ago* (last edited 2 months ago) by [email protected] to c/[email protected]

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[–] [email protected] 12 points 2 months ago (2 children)

Can you recommend one that is correct? I use pop_os (Ubuntu) and Arch. Kinda curious about either one

[–] [email protected] 34 points 2 months ago* (last edited 2 months ago) (2 children)

Not aware of any correct pictures, but I can tell you what's wrong with this one

/usr: explaining it as "Unix System Resources" is a bit vague
/bin: /bin is usually a symlink to /usr/bin
/sbin: /sbin is usually a symlink to /usr/sbin, distros like Fedora are also looking into merging sbin into bin
/opt: many, I'd say most, "add-on applications" put themselves in bin
/media: /media is usually a symlink to /run/media, also weird to mention CD-ROMs when flash drives and other forms of storage get mounted here by default
/mnt: i would disagree about the temporary part, as I mentioned before, stuff like flash drives are usually mounted in /run/media by default
/root: the root user is usually not enabled on home systems
/lib: /lib is usually a symlink to /usr/lib

I would also like the mention that the FHS standard wasn't designed to be elegant, well thought out system. It mainly documents how the filesystem has been traditionally laid out. I forget which folder(s), but once a new folder has been made just because the main hard drive in a developer's system filled up so they created a new folder named something different on a secondary hard drive.

[–] [email protected] 5 points 2 months ago

Thanks for this. I'm always confused by the layout and this tend to stick to putting things in the same places, even if they're wrong :)

[–] [email protected] 3 points 2 months ago (1 children)

On my distro(Bazzite), /mnt is only a symlink to /var/mnt. Not sure why, but only found out the other day.

[–] [email protected] 1 points 2 months ago (1 children)

I’m using Silverblue and it also symlinks to /var/mnt. I don’t think it does that on traditional distros, like Fedora 40 Workstation.

[–] [email protected] 1 points 2 months ago

I assume it is because /var can be written to while the rest of the filesystem ( outside /home ) is expected to be read-only.

[–] [email protected] 6 points 2 months ago

See file-hierarchy(7).