Operating system

Operating system

1. what is?

   • Is a software that manages computer hardware and software resources and provides common services for computer programs.
   • There are a lot of different operaing systems.

2. how its works?

   • Operating systems provide a software platform above which other programs, called applications can run. Applications are programmed to operate above a particular operating system, therefore, the choice of operating system largely determines the applications that can use.

3. types of OS

   • Real- time
     • is a multy tasking operating system that aims at executing real time apliccations.
   • multi-user
     • it allows multiple users to acces at the computer system at the same time
   • multy-tasking
     • It allows more than a programe to be running at the same time
   • distributed
     • it maneges a group of independ computers and makes there appear to be a single computer.
   • temblated
     • it refers to creating a single virtual machine image as a guest operating system.
   • embbeded
     • Are designed to be used in embedded computers system.

4. functions

   • Applications
     • It provides a stable and consistend way for applications
   • 1/0 Management
   • device drivers
   • Memory management
   • CPU management
   • Hardwarwe

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