I see, thanks a lot! Problem solved!

Thanks for your reply. Does that mean I don't have to care about how often something is being written there?

Hello everyone :) I'm new to Raspberry Pi (own and love one for about a month), Linux and this forum so I hope the is the right section to post my problem. I know that often writing to the SD-card significantly reduces its lifetime, so I'm trying to put everything to USB or RAM that needs to write l...