operating systems

operating systems

1. user management

   • interface
     • graphical user interface
     • command line
   • authentication
     • biometrics
     • password

2. examples

   • linux
   • windows
   • macOS
   • IOS
   • android

3. functions

   • manage files
   • direct usage authorisation for users
   • manage random access memory
   • run applications
   • manages cpu
   • deals with file security

4. components of an operating system

   • file system
   • interpretation of commands
   • core
     • allows operation on basic issues such as communication, data input and output, process managment and memory