OPERATING SYSTEMS
An operating system (OS) is the software that manages the resources of a computer and provides programmers with an interface used to access those resources.An operating system performs basic tasks such as controlling and allocating memory, prioritizing system requests, controlling input and output devices, facilitating computer networking and managing files. Operating systems can be found on personal computers, internet servers etc. Some of the famous Operating systems are,
1. LINUX
2. MACINTOSH OPERATING SYSTEM
3. MICROSOFT WINDOWS
LINUX
The term 'Linux' gets it's name from the Linux kernel which was first started by Linus Torvalds in 1991. It's utilities and libraries usually come from the GNU operating system which was announced by Richard Stallman in 1983.The alternative name GNU/Linux is the collaboration of the above two systems.
Linux is an operating system which is associated with open source development and it is also a free software.In Linux anyone can modify its source code and can use it.
To know more about the history and uses of Linux you may visit
http://factsaboutlinux.blogspot.com/
MAC OS X
Mac OS X is a line of graphical operating systems developed, marketed, and sold by Apple Inc., the latest of which ispre-loaded on all currently shipping Macintosh computers. Mac OS X is the successor to the original Mac OS, which had beenApple's primary operating system since 1984. Unlike its predecessors, Mac OS X is a Unix-based operating system built ontechnology developed at NeXT from the second half of the 1980s until early 1997, when Apple purchased the company.
The first version released was Mac OS X Server 1.0 in 1999, which retained the earlier Mac operating system's "platinum"appearance and even resembled OPENSTEP in places. The desktop-oriented version, Mac OS X v10.0, followed in March 2001 sporting the new Aqua user interface. Since then, five more distinct "end-user" and "server" versions have been released, most recently Mac OS X v10.5 in October 2007.
To know more about the history and uses of MAC OS you can visit
http://macoperatingsystem.blogspot.com/
MICROSOFT WINDOWS
Microsoft created two types of operating systems. One has been for the home user and the other has been for the professional IT user. The dual OS's have generally led to home versions which has greater multimedia support and less functionality in networking and security, and professional versions which has inferior multimedia support and better networking and security.
Microsoft Windows includes several operating systems created by Microsoft Corporation headed by world billionaire Bill Gates.Microsoft first introduced an operating environment named Windows in November 1985 as an add-on to MS-DOS. Microsoft Windows slowly began to dominate the world's personal computer market, overtaking Mac OS,which was introduced by Apple Inc. which had been introduced previously.Windows has approximately 90% of the client operating system market according to some studies.
To know more about the detailed history and uses of Windows visit
http://microsoftwindowsforall.blogspot.com/
