Evolution of Operating Systems

Evolution of Operating Systems

Year	Event
1954	MIT came up with their operating system for UNIVAC 1103.
1964	Dartmouth timesharing operating system was developed.
1965	Multics was announced. However, it was opened for paying customers in October 1969.
1966	DOS/360 of IBM came up.
1969	This year witnessed the development of the Unix operating system by AT&T.
1976	CP/M was developed during this year.
1980	OS-9 came up in 1980.
1981	This year can be considered fortunate to have witnessed the development of MS-DOS. IBM had hired Paul Allen and Bill Gates to create an operating system in 1980. They used the operating system manufactured by the Seattle Computer Products as a template to develop DOS.
1984	Macintosh operating system came up in this year.
1987	It was during this year that MINIX, BSD2000 and OS/2 were developed.
1988	RISC iX, LynxOS and Macintosh OS (System 6) came up during this year.
1989	This was the time when the RISC operating system was developed.
1991	It was in 1991 that Linux came up. It is a Unix-like operating system, which is a free software. It was during this year that Minix 1.5 was developed and Macintosh came up with System 7.
1992	Solaris, the successor of Sun OS 4.X came up during this year.
1993	Plan 9, FreeBSD, NetBSD and Windows NT 3.1 came up during 1993.
1995	OpenBSD and Microsoft Windows 95 came up during 1995
1996	Windows NT 4.0 hit the computing market in 1996.
1998	1998 witnessed the release of Windows 98 as well of Solaris 7.
2000	Windows 2000, which hit the markets in 2000, was the first Windows server operating system to drop the ‘NT’ suffixed to its name. Windows ME, which was sold during this year, was the last operating system in the Windows 9x line. Red Hat Linux 6.2E also came up during 2000.
2001	Windows XP was launched and soon gained a wide popularity. Windows XP 64-bit edition followed in 2002.
2002	Windows XP Service Pack 1 was released in 2002.
2003	2003 witnessed the launch of the Windows 2003 Server as also the release of Red Hat Enterprise Linux 3.
2004	Windows XP Service Pack 2 was released in 2004.
2006	Windows Vista hit the markets
2008	Windows Vista Service Pack 1 and Windows Server 2008 came up in 2008. It was also during this very year that Windows XP Service Pack 3 was released.