What is Operating System ?
An operating system is a set of programs containing instructions that coordinate all the activities among computer hardware resources.
Type of OS :
i. Stand-Alone Operating System
Windows XP, Vista, Mac OS, Linux, DOS
ii. Network Operating System
Windows NT, Windows Server 2000, Linux, UNIX, Solaris
iii. Embedded Operating System
Windows CE, Palm OS, Symbian OS, Embedded Linux
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