2. Past
• 1951- J. Lyons and company was a restaurant to first envelope the
technology in order to help their system.
• 1955-General motors operating system
• Made for IBM
3. 1960’s
• 1960- IBSYS for IBM
• Many operating systems coming to early life.
• 1969- Unics(later Unix) initially on DEC computers
6. 1990’s
• 1990- Windows 3.0
• 1991- Linux 0.1
• 1991- Mac OS(System 7)
• 1994- Red Hat
• 1995 Windows 95
• 1996- first officially-named Mac OS
• 1998-Windows 98
• 1999- Mac OS 9
7. 2000’s
• 2000- Windows Millennium Edition
• 2001- Mac OS X Cheetah
• 2005- Windows Mobile 5.0
• 2006- Windows Vista
• 2007- iPhone OS 1
• 2009- Windows 7