Linux is an open source computer operating system created by Linus Thorvalds created in 1991. His Linux kernel has been used in several operating system projects usually called distributions. Famous distributions are Slackware, Debian and CentOS.

distributions

There is more to linux then Ubuntu or CentOS; here is a selection of for me interesting linux distributions.

talos linux documentation

sabotage

alpine

void

glaucus

gobo

oasis

other projects

articles on musl-libc

musl-libc, alpine’s greatest weakness

zram zstd

Enable zRAM for a more efficient swap system

https://docs.kernel.org/admin-guide/blockdev/zram.html

https://www.techrepublic.com/article/how-to-enable-the-zram-module-for-faster-swapping-on-linux/

https://www.maketecheasier.com/configure-zram-ubuntu/

https://wiki.gentoo.org/wiki/Zram

compressed filesystem

zfs zstd compression

btrfs zstd compression

schedulers

https://en.wikipedia.org/wiki/Completely_Fair_Scheduler

https://blog.maxgio.me/posts/linux-scheduler-journey/

https://www.geeksforgeeks.org/completely-fair-scheduler-cfs-and-brain-fuck-scheduler-bfs/

https://news.ycombinator.com/item?id=30209366

https://lwn.net/Articles/873244/

https://github.com/aliyun/plugsched

alternative directory structure

[Gobo](https://www.gobolinux.org/

linux on 8bit and 16bit architectures

[fuzix](https://github.com/EtchedPixels/FUZIX](https://www.fuzix.org/)

uzi, unix-like for the z80

elks, a 16bit no-mmu linux-like

different os setup

https://www.qubes-os.org/intro/

run linux on iphone/ipad at native speed https://worthdoingbadly.com/hv/