OS Estructure

OS Estructure

1. User interface (UI)

   • Command-Line (CLI)
     • Kernel
     • Shell
   • Graphics (GUI)
     • Desktop
     • Icons
     • I/O Devices

2. Program Execution

3. I/O Operations

4. File-system operation

5. Communications

6. Error Detection

7. Resource Allocation

8. Accounting

9. Protection Security

   • Protection
   • Security