operating systems ☺

operating systems ☺

1. user interface

   • operating systems have to provide a mean of communication
   • makes it possible for the user to command
   • it will be ... Graphical (GUI) or Command Line
   • the users interface is the way in with computer hardwa4re

2. multi tasking

   • more than one program loaded into memory at the same time
   • this runs lots of background tasks were it manages the computer itself.
   • the processor can only instruct one at a time (one cpu)
   • this manages all the programs running to make sure each one gets enough prossesor time

3. security

   • passwords and ids
   • they also operate systems that handle file privileges
   • controles who can read and right

4. peripheral management

   • theses are hardware components
   • input and output

5. memory management

   • when the program is ruinning it must be in the computers main memory
   • tracks the program and data