OPERATING SISTEM

OPERATING SISTEM

1. Main program that runs on every computer

   • Hardware resources
   • provides services
     • Programs

2. Why study operating systems?

   • Understand the programs
   • Understand the functioning

3. Function and objective

   • Administration
     • Solve the needs
   • Resource administrator
     • Memory and storage
   • Isolation
     • Multi-user system

4. Parts of an operating system

   • Process management
   • Administration memory management
   • Administration of files
   • Management of input and output devices
   • Example
     • Widows, linux, Unix, Mac OS.

5. Mobile operating system

   • Symbian OS. Android, iOS, Windows phone, BlackBerry OS, Bada

6. Free software

   • Gratuitous