Operating systems

Operating systems

1. Functions

   • Multitasks
     • Allows multiple applications to work at the same time
   • Manages the CPU
     • Runs applications and executes and cancels processes
   • Interface
     • Provides a user interface so it is easy to interact with the computer
   • Manages memory
     • Transfers into and out of memory, allocates free space programs and keeps track of memory usage
   • Utilities
     • Provides tools for managing and organising hardware
   • Organises
     • Creates a file system to manage files and directories
   • Security
     • Provides security through user accounts and passwords

2. Examples

   • Linux
   • Windows
   • Mac
   • Android
   • Apple