[KLUG Members] Re: Backup solution

[Adam Tauno Williams]

>I think my understanding of a cdrw is a bit cloudy.
>For a regular cd once you burn it, it is forever on the cd and you can
>never write to the cd again - even if you only burned a 1K file on the cd.

If you perform a multi-session write, you can add more later,  up to a point. 
But what you already put on stays,  although some schemes permit it to be marked
"deleted"
 
>Now, a cdr I thought you could write and delete from it all you wanted.
>Is this not correct?

Yes.  You need to blank the disk, then write to it. So writes are not
culmulative.