Linked by David Adams on Wed 9th Mar 2005 16:47 UTC, submitted by Barry Kauler
Linux As far as I am aware, this is a world first, a live-CD that saves back to the CD at the end of the session. So how does it work? "Boot the PC with the multi-session CD inserted in the CD-burner drive -- thus, Puppy automatically knows which drive is the CD-burner, in case you have more than one CD/DVD drive. Then you use Puppy in the normal way. At shutdown, all the changed files in your home directory are saved back to CD. That's it. Next time you boot, all the personal files are restored."
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One-time customization...
by murphee on Wed 9th Mar 2005 18:46 UTC

Hmm... this would be useful to allow users to easily customize their Knoppix (or other LiveCD) CD. I mean, you could burn the LiveCD on a CD-RW, then boot from it; then you customize it (settings, desktop env, locales, possibly network setups; maybe even install software, although that might be tricky), and then these settings are stored to the CD.
The advantage: Easily customized LiveCD.
This is possible today by, for instance, remastering Knoppix before burning it... but that's not trivial. With the rewriting CD idea, a user could simply do the setup at the first startup (the CD has to be in a CD-RW drive), and can then use it as normal LiveCD, even in a CD-ROM drive (with all the advantages that come with read-only mounting the boot device).
For storing data a USB mass storage media is more conveniant (and also gets around the maximum rewrite barrier of CD-RW);