https://www.youtube.com/watch?v=zfCKSXo9hWk&ab_channel=HPCNRW
1969 - Uniz (Bell laboratories)
- written in C
- Over time many variations
- MacOS is also
1990 - POSIX standard
- Interface that all Unix systems implement
- Adopted by Unix-like systems (including Linux)
- Already many toold that we still use
Linux:
- Distros: a collection of software components assembled into a working whole and distributed to a group of users.
- Some important distros that we install when we install linux:
- High seliability eg. servers
- User-friendliness like Ubuntu
- Specialized eg. Kali Linux (hacking tools)
- 95% of the web servers use linux.
- 60-80% of mobile devices (almost all android) use Linux. Apple uses Unix like macbook.
- Desktop PC's only 1-2% use linux.
- Most famous Linux used: Ubuntu and Linux Mint