Operating Systems

• Mac OS X
• Linux
• Windows
• Android (based on Linux)
• iOS

The way in which a user uses the device

Runs applications and executes and cancels processes

Can manage multiple tasks at once

Transfers programs into and out of memory, allocates free space between programs, and keeps track of memory usage

Opens, closes and writes to peripheral devices such as storage attached to the computer

Creates a file system to organise files and directories

Provides security through user accounts and passwords

Provides tools for managing and organising hardware