Zain-Ul-Abedin315-23582BScs
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