Operating systems (OSes) provide a set of functions needed and used by most application-programs on a computer, and the necessary linkages for the control and synchronization of the computer’s hardware
The Most popular operating systems presently in the market are Windows,Debian GNU/Linux,Android,Mac OS X,Haiku
Windows 1.0 is a 16-bit graphical operating environment that was released on 20 November 1985 . Windows 1.0 was the first version of Windows launched. The first release version of Windows 1.0 is actually named Windows Premiere Edition.
Windows 7 is the latest release of Microsoft Windows, a series of operating systems produced by Microsoft for use on personal computers, including home and commercial use
Debian GNU/Linux Non-commercial linux distribution, initiated by Ian Murdock on 16th August 1993
Mac OS 9 Apple’s operating system for PowerPC from 1999.
Android OS Special operating system with linux kernel for smartphones, developed by google. On the market since October 2008
Haiku Started in August 18th, 2001 as OpenBeOS, this is the official open source successor of BeOS.