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