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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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@@ -174,13 +174,20 @@ able to mount and repartition disks,
connect to the internet and run a web browser, connect to the internet and run a web browser,
and (for `persistent live USB flash drives`_) and (for `persistent live USB flash drives`_)
retain settings and data on the next boot-up. 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 .. _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 .. _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`_, Some live Linux distributions, such as `Puppy Linux`_,
are lightweight enough that they default to `running from a RAM disk`_, 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. (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.) There's no reason you can't mount an internal or external drive to store files, though.)