What is a live DVD?

OpenSource For You - - For U & Me -

A live CD/DVD or live disk con­tains a bootable op­er­at­ing sys­tem, the core pro­gram of any com­puter, which is de­signed to run all your pro­grams and man­age all your hard­ware and soft­ware.

Live CDs/DVDs have the abil­ity to run a com­plete, mod­ern OS on a com­puter even with­out sec­ondary stor­age, such as a hard disk drive. The CD/DVD di­rectly runs the OS and other ap­pli­ca­tions from the DVD drive it­self. Thus, a live disk al­lows you to try the OS be­fore you in­stall it, with­out eras­ing or in­stalling any­thing on your cur­rent sys­tem. Such disks are used to demon­strate fea­tures or try out a re­lease. They are also used to test hard­ware func­tion­al­ity, be­fore ac­tual in­stal­la­tion. To run a live DVD, you need to boot your com­puter us­ing the disk in the ROM drive. To know how to set a boot de­vice in BIOS, please re­fer to the hard­ware doc­u­men­ta­tion for your com­puter/lap­top.

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