History of Linux
1. What is Linux?
1.1. It is an Operating System
1.2. One of the most popular OS today
1.3. Linux is everywhere - servers, Android, thousands of distribution
2. 1991: Linus Torvalds posted annouced that he is working on a free OS just as a hobby
3. 1992: Few people started working with him
4. 1993: Slackware and Debian are releases
5. 1994: Linux version 1.0 release for IBM compatible PC
6. 1995: Linux version 1.2 released
7. 1996: Linux version 2.0 released with multi processor support
7.1. This mean it can be used on the servers
7.2. Development on 2.1 started
8. 1999: Version 2.2 released
9. 2001: Version 2.4 released
9.1. USB
9.2. Bluetooth
9.3. ext3: Keep log of uncommitted changes to the file system. Useful in case of power failure.
10. 2002: Linus started using Bitkeeper
11. 2003: version 2.6, O(1) scheduler. No major version released for the next 8 years.
12. 2005: Linus developed Git in few months. 2.6.12 launched using Git.
13. 2006: LTS 2.6.16 released
14. 2007: Android released using Linux kernel 2.6.27
15. 2008: ext4 added. Can support large volume.
16. 2011: Linux kernel 3.0 released. Just a rename to move from 2.6.x
17. 2012:
17.1. Support for ARM added and i386 removed.
17.2. Rpi launched, ARM based board
18. 2015: Version 4.0 released, live patching - no need to reboot
19. 2017: Version 4.12, support for USB Type C
20. 2018: Version 4.18