OPERATING SYSTEM

OPERATING SYSTEM

1. Main Objectives

   • 1.Ability to evolve
   • 2.Efficient
   • 3.Convenience

2. Memory Manager

   • RAM
   • Scan every request
   • Process isolation

3. File Manager

   • Check all type of files
   • Validate authorize access to file

4. Device Manager

   • Allocate device
   • Monitors all devices, channels and control unit

5. Process Manager

   • Decide how to allocate CPU
   • Scan instruction from memory space and do next step

6. Eg. of OS

   • Macintosh
   • Windows
   • Linux

7. Network Manager

   • User sharing between hardware & software