Is Knoppix decompressed or not after hdd installation?
Is Knoppix decompressed or not after hdd installation?
Not if you use the so-called "poor man install". Yes otherwise, effectively leaving you with some debian variant. How far it deviates from vanilla debian depends on your install mode (beginner vs debian...).
and if I use Knoppix-installer? is it decompressed?
It is - and will require around 4 Gb HD space.
Thank you baldyeti
Greeting from Italy

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