The Evolution Of Operating Systems Definition Of Operating Systems : 1)Os is a program that acts as an intermediary between a user of computer and computer hardware 2) A program that controls the execution of application programs. 3) An interface between application and hardware. History Of Operating Systems: In 1950 the first generation is the first operating system were developed when computers could only run one program. In 1956 General Motors created OS to run IBM central computer. In 1960 the first version of Unix was developed in language C and it was available for free . In 1981 Microsoft created an operating system called MS-DOS and in 1985 the created Windows which graphical user interface created and joined with MS-DOS. In 1999 the first released of MAC OS X Server. In 2007 IOS was developed. In 2008 Android OS was developed. Today there are various type of operating systems which is used in market like Microsoft Windows,Linux,Apple,OS X .
- Fall '09
- First Generation