RaspberryPi:Overview

The RaspberryPi is a single board computer.

Operating Systems

For details on installing and configuring the operating system, see RaspberryPi:Installation

Raspbian

Raspian is the default operating system from the Raspberry Pi Foundation. There are three versions available:

Raspbian with desktop and recommended software 

This is a large image, containing packages for a desktop environment and other (often not useful) packages

Raspbian with desktop 

Contains a desktop environment and useful packages

Raspbian Lite 

A simple OS without desktop environment (just a command line interface)

The latest versions of Raspbian can be downloaded directly from the Raspberry Pi Website