Saat ini kita tidak menyadari bahwa operating system yang ada dan sudah di gunakan samgat lama.biasanya kita pengguna laptop atau pc seringnya menggunakan operating system Windows diantaranya yaitu windows XP,Vista,Windows 7,Windows 8 dan yang terakhir adalah windows 10
Selain operating system ini ternyata ada juga operating system Linux yaitu ada Ubuntu,Debian ,Fedora dan masih banyak lagi jenisnya.
Dan untuk mac os diantaranya adalah:
- Mac OS X 10.0 – code name "Cheetah", released to end users on Saturday, March 24, 2001
- Mac OS X 10.1 – code name "Puma", released to end users on Tuesday, September 25, 2001
- Mac OS X 10.2 – also marketed as "Jaguar", released to end users on Friday, August 23, 2002
- Mac OS X Panther – version 10.3, released to end users on Friday, October 24, 2003
- Mac OS X Tiger – version 10.4, released to end users on Friday, April 29, 2005
- Mac OS X Leopard – version 10.5, released to end users on Friday, October 26, 2007
- Mac OS X Snow Leopard – version 10.6, publicly unveiled on Monday, June 8, 2009
- Mac OS X Lion – version 10.7, released to end users on Wednesday, July 20, 2011
- OS X Mountain Lion – version 10.8, released to end users on Wednesday, July 25, 2012
- OS X Mavericks – version 10.9, released to end users on Tuesday, October 22, 2013
- OS X Yosemite – version 10.10, released to end users on Thursday, October 16, 2014
- OS X El Capitan – version 10.11, released to end users on Wednesday, September 30, 2015
- macOS Sierra – version 10.12, released to end users on Tuesday, September 20, 2016
- macOS High Sierra – version 10.13, released to end users on Monday, September 25, 2017
- macOS Mojave – version 10.14, released to end users on Monday, September 24, 2018
- macOS Catalina – version 10.15, released to end users on Monday, October 7, 2019
- macOS Big Sur - version 11, released to end users on Thursday, November 12, 2020