Components of An Operating System

Components of An Operating System

1. Security

   • Set up a firewall
   • Provide a means of enforcement
   • Decides between authorized and unauthorized usage/access

2. File Management

   • Directory creation and deletion
   • Files onto secondary storage
     • Disk scheduling
     • Storage allocation
     • Free space management
   • File backup
   • Editing files and its parameters
   • File creation and deletion

3. Main Memory Management

   • Determines what process to lead when space is available
   • Allocate and deallocate memory
   • Track memory being used and by whom

4. I/O Management

   • Drivers for specific hardware devices
   • Device driver interface
   • Buffer-cache system

5. Process Management

   • Process creation and deletion
   • Process suspension and resumption
   • Provision of mechanisms
     • Process Synchronization
     • Process Communication