Primary Functions:Desktops: provides a working GUI desktop environment with a collection of desktop programs, such as browsers and text editors. Many also include utilities for other purposes, such as home entertainment, but are only listed here because the additional functions are not their primary focus.
OS Replacement: provides an option to transfer the cd to the hard drive, or to install an OS in a different form
Education: provides a collection of educational programs, or was created to be used in the educational field
Rescue: provides tools needed for data recovery
Clustering: provides tools for making clusters
Security: contains network security tools
Home Entertainment: geared towards playing video and audio
Gaming: video games!
Medical: contains medical programs
Diagnostics: contains utilities for testing hardware
Firewalls: distributions created to be used as firewalls
Forensics: distributions containing forensic tools
Servers: distributions used for various server functions
"Graphic designers, movie editors, music composers, and multimedia addicts have specific needs when it comes to software. That is why there are specialized Linux distributions that cater to them."
"Pidgin is a multi-protocol Instant Messaging client that allows you to use all of your IM accounts at once."