OPERATING SYSTEM

OPERATING SYSTEM

1. Software that acts as an interface between computer hardware components and the user.

   • helps you to communicate with the computer without knowing how to speak the computer's languag

2. Examples

   • Mac Os
     • Pros
       • Simple and powerful user interface , fewer virus attacks, world class integration between hardware and software and integration of Apple products.
     • Cons
       • Expensive, harder to upgrade and it isn't for gaming
   • Linux
     • Pros
       • Low cost, stability, flexibility,
     • Cons
       • Understanding, it doesn’t support many hardware devices, etc
   • Windows
     • Pros
       • Cheap, variety options, software availability, customizable, upgradable and available for gaming
     • Cons
       • Malware and virus attacks, less reliable and becomes laggy overtime

3. Types

   • Simple Batch
   • Mobile
   • Network
   • Distributed
   • Multi Programing
   • Multi Processes
   • Time Sharing
   • Real Time

4. Main Fuctions

   • create and delete processes
   • the task of allocation and de-allocation of memory space to programs
   • keeps tracks of all devices
   • manages all the file-related activities
   • to hide the peculiarities of that hardware devices from the user
   • creates a secondary storage
   • Keeping track of time & resource used by various job and users.
   • Keeping track of time
   • Coordination and assignment of compilers, interpreters, and another software resource
   • protects the data and information of a computer system
   • interpreting commands given by the and acting system resources to process that commands.

Bilder und Dateien der Mindmap