Operating system is a program that controls the functioning of all other programs on a computer. Familiar microprocessor operating systems are CP/M, MS-DOS, and Microsoft Windows. Some operating systems developed by Microsoft are listed and they are DOS, MS-DOS, and Windows. You can get Microsoft operating system online and as well they have well after sell services.	Product Code: OS500 Price: Rs5000

DOS
Disk Operating System is a computer program that manage the data information between the computer processor and magnetic disks, as well as the administration of files and programs on the disks.

MS-DOS is an operating system brought exclusively by Microsoft, designed for IBM System with a registered brand name. This system had its say mainly to IBM product success.  

Microsoft Windows class of Operating systems has its beginning as a graphical layer on top of the older MS-DOS environment for the IBM PC. Modem edition is a foundation on latest Windows NT core that had its source of working in OS/2 and derived from Open VMS. Windows OS works on 32-bit and 64-bit Intel and AMD processors. The conventional versions were driven by DEC Alpha, MIPS, and PowerPC architectures.

Windows had occupied a large space in desktop market share that accounts to 90% in the world. People are also of the view this is due to decrease in the business of open source operating systems. Windows is used on middle range and low-end servers, managing programs like database servers and web servers.

The company on aggressive marketing and R&D spends lot of money to show that they have proficiency of operating the project program. A few popular and older versions like Windows 3.1, Windows 95, 98 and 2000, among these versions Windows 95 widely used one.

Latest releases of the company in the operating system category include Microsoft Windows XP, Windows 2003 Server, Windows XP Service Pack 2, and Windows Vista, consisting of new tools for security, network administration, and digital rights management.

The GUI has been restructured, as well as bringing a fresh appearance to standard 2D desktop interface, systems with adequate processing power can use a 3D interface called Aero Glass.