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Explain motivation for livecds.

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Nathaniel Beaver
2015-09-09 15:27:13 -05:00
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README.rst
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@@ -174,13 +174,20 @@ able to mount and repartition disks,
connect to the internet and run a web browser,
and (for `persistent live USB flash drives`_)
retain settings and data on the next boot-up.
This makes live versions of Linux useful for
recovering files from damaged hard drives,
making bootable backups of an entire drive,
scanning a disk for malware without loading a potentially compromised operating system,
distinguishing hardware problems from softwre problems,
and other tasks requiring a temporary operating system.
.. _Live versions: http://www.linux.com/directory/Distributions/livecd
.. _persistent live USB flash drives: http://askubuntu.com/questions/295701/what-would-be-the-differences-between-a-persistent-usb-live-session-and-a-instal
Some live Linux distributions, such as `Puppy Linux`_,
are lightweight enough that they default to `running from a RAM disk`_,
and consequently have much faster disk I/O than an OS that must access a spinning hard drive.
and consequently have much faster disk I/O
than an OS that must access a spinning hard drive.
(This comes at the cost of disk space being limited by RAM.
There's no reason you can't mount an internal or external drive to store files, though.)