operating systems

operating systems

1. desktop devices

   • windows
   • mac OS
   • Linux
   • unix

2. portable devices

   • android
   • iOS / apple iOS
   • chrome OS

3. file management

   • simple groups of 1s and 0s on a storage device
     • accessed by programs
     • allows duplication
     • allows deletation
     • allows files to be named
     • copy
       • paste
       • delete
   • organises files into folders
     • allows moving

4. user access levels

   • read and write
     • users can view the files
       • and also edit and change the file
   • read only
     • access can only view files
     • cant make changes

5. process management

   • multi-tasking
   • virtual memory
   • pages

6. peripheral management

   • drivers
   • plug and play

7. user management

   • command line
   • graphical user interface