Operating systems

Operating systems

1. Functions

   • Interface
     • Provides a user interface so it is easy to interact with the computer
   • Manages (CPU)
     • Runs the applications and executes and cancels processes
   • Multi-Tasks
     • Allows multiple applications to run at the same time
   • Manages memory
     • Transfers programs into and out of memory, allocates free space between programs, and keeps track of memory usage
   • Manages peripherals
     • Opens, closes and writes to peripheral devices such as storage attached to the computer
   • Organisation
     • creates a file system to organise files and directories
   • security
     • provides security through user accounts and passwords
   • Utilitys
     • provides tools for managing and organising hardware

2. Common features of GUI