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What is a Live CD
By admin | September 30, 2005
This a great way to start Linux from your CD and not install it on your hard drive.
Most modern computers have the ability to boot from their CDRom drive. This is typically how operating systems are installed (although many OSes come preinstalled these days).
You may have to change the boot order in your computer’s BIOS to make your CD bootable, but generally you will be able to boot from a bootable CD without doing so.
The GNU/Linux community took advantage of this trend in personal computing and have developed many different distributions of GNU/Linux that are meant to be run from such a bootable CDRom drive.
These distributions do not make any changes to the computer’s hard drive. This enables users to pop in one of these CDs and reboot their computer into GNU/Linux without worrying about losing any existing data or operating systems on the computer.
More at What is a Live CD source