Operating Systems

Operating Systems

1. What is a Operating systems

   • Operating systems is a the software on a computer which controls different programs
     • OPERATING SYSTEM is also stand for OS
     • Manage hardware and software for a computer
     • Manage the hardware and software for the computer

2. Functions

   • controls hard disk
   • controls peripherals
   • controls file operation
   • Memory
   • Processing

3. Types of operating

   • Linux
     • Is a type of unix-like operating system
   • Unix
     • Is a multi-user,multi-computer operating system
       • Help to change computing from being centred
   • Microsoft windows
   • Mac OS X
     • Is a series of operating system

4. Main Tasks

   • Memory management
     • Ensuring that running programs have enough memory in RAM
   • Storage Management
     • Manage all saved data to and from secondary storage
   • Device Management
     • Keep controls of all hardware devices into the computer
       • Handles communication between them all
         • For example:printers,speaker,mouse etc.
   • Provides interfaces
     • A devices or a programs provides for user to communicate with the computer
   • Manages security
     • Provides security to direct access to the machine

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