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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's with all these hip filesystems and how are they different? (lm.paradisus.day)

submitted 11 months ago* (last edited 11 months ago) by [email protected] to c/[email protected]

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You know, ZFS, ButterFS (btrfs...its actually "better" right?), and I'm sure more.

I think I have ext4 on my home computer I installed ubuntu on 5 years ago. How does the choice of file system play a role? Is that old hat now? Surely something like ext4 has its place.

I see a lot of talk around filesystems but Ive never found a great resource that distiguishes them at a level that assumes I dont know much. Can anyone give some insight on how file systems work and why these new filesystems, that appear to be highlights and selling points in most distros, are better than older ones?

Edit: and since we are talking about filesystems, it might be nice to describe or mention how concepts like RAID or LUKS are related.

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[–] [email protected] 10 points 11 months ago* (last edited 11 months ago) (1 children)

After using ext4 for yyyeeeaaaarrrrrsss, when I upgraded my MX21 to MX23 I used btrfs, with subvolumes, especially for easy backup/snapshot/timeshift.

Just at install, super easy, create a small ext4 boot partition on the SSD, then a big LUKS partition, format with btrfs, create subvolumes for / /home /var /swap and that's it. No hassle with sizing correctly.

btrfs seems pretty stable. I see no diff in performance compared to ext4 because my application are not that dependant to FS speed, and with SSD anyway?

oh yeah, built-in compression too!

[–] actual_patience 1 points 10 months ago (1 children)

ext4 boot partition? Does that mean you have Coreboot, not UEFI?

[–] [email protected] 1 points 10 months ago (1 children)

EFI with grub

[–] actual_patience 1 points 10 months ago (1 children)

Don't you need FAT 32 for compatibility?

[–] [email protected] 2 points 10 months ago* (last edited 10 months ago)

Yes for /boot/efi you're right but /boot is ext4