Operating system performs the basic tasks such as, recognizing
input from keyboard, sending output to the display screen,
keeping track of files and directories on the disk. It also
controls peripheral devices such as, disk drives and printers.
Microsoft® Windows® is a series of software operating systems
and graphical user interfaces produced by Microsoft®. Operating
system is classified as multi-user, multi-processor, multi-
tasking, multi-threading, and real-time. There are seven
currently supported versions of Microsoft® Windows® that are
Windows® 2000, Windows® XP, Windows Server® 2003, Windows® XP
Professional x64 edition and Windows Vista®, Windows® Home
Server and Windows Server® 2008. Windows® XP is the first
customer based operating system produced by Microsoft® built on
the Windows® NT Kernel and architecture. The most common
editions of the operating system is Windows® XP Home Edition and
Windows® XP Professional. The operating System is responsible
for managing allocation of the processor between