What is casper rw loop file and why do I need it to make saving persistant on usb flash drive?

Posted by l245c4l on Stack Overflow See other posts from Stack Overflow or by l245c4l
Published on 2010-04-02T10:20:32Z Indexed on 2010/04/02 10:23 UTC
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Suppose I've installed linux on my flash drive. Why do I need something like casper loop file to make saving persistant? So files are being erased? Isn't flash drive the same as actual hard drive? I'm linux noob so be patient. Or it is because linux on flash drive is actually live cd on flash drive? Can it be installed just like it is installed on hard drive?

Thanks in advance

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