Some useful tools and hints for PC users:

Basically, how to proceed and return to main page,
if not otherwise possible via links on those HTML or text documents:

To continue, please klick on menu items or links below.

and...to return, please klick on back button in your browser's menue bar.

• Something about (old fashioned) DOS Help
• Something about an undocumented DOS command - file finder
• Something about compressed files... and more...(sorry...in german, only)