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Unix – Operating System

Objectives

Operating System UNIX - Operating System Structure Features Command Structure Advantages / Dis-advantages Conclusion

What is Operating System?

UtilitiesApplication Programs

What Is Unix Operating System?

KernelShellCommands and UtilitiesFiles and Directories

Structure

Multi User System / Multi tasking

Programming FacilitySecurityPortability

Features

UNIX Commands Structure

A command is a program that tells the UNIX System to do something

Advantages

Efficient Virtual Memory

Access Controls

Environment Friendly

In-expensive

Disadvantages

Tradition Command Line

Un-expected Results

ConclusionVirtualOpen Source In-Expensive

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