One approach is to save all your changes to a single archive file to any available
writable medium (hard disk, pen drive, and so on), and then restore that archive the next
time you boot the CD. Another approach is to create a ???persistent desktop,??? which assigns
your home directory and possibly other directories to a writable, mounted file system on
your hard disk or other medium. The latter saves your data as you go along.
Live CDs such as SLAX and Damn Small Linux have their own packaging format that
consists of tarballs you can store to be added to the live CD. At boot time, you just
point the live CD to the Damn Small MyDSL files or SLAX modules and the archive
containing the application is distributed to its proper location in the file system. (See
Installing_MyDSL_Extension at damnsmalllinux.org/wiki or www.slax.org/
modules.php.)
Remastering??”You can make many more changes to a live CD by remastering it.
Remastering is typically done by copying the contents of a live CD to a directory on
your hard disk (uncompressing the compressed file system), opening that directory
in a chroot environment, adding and deleting software as you please, and then packaging
it back up into an ISO image. This approach lets you start with a CD that is basically
working, while allowing you to fix problems, update software, and add any data
you like so it is included on the CD.
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