Wednesday, October 14, 2015

Operating system and types

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. The operating system is a component of the system software in a computer system. Application programs usually require an operating system to function.

Types of Operating system:-
1.Single user Single task (Dos)
2.Single user multitask (Windows)
3.Multi User Multi task (unix)

An Operating system is released in client and server versions.All server versions have Multi user property enabled.
In client O/s only there is user limit.
Max of 6 users can log into unix in a client os.

We use softwares putty and toad to connect to unix

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