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a tool to control LPT-attached devices manually or on a time basis
...There is no need to build an additional electronic circuit for small power devices like LEDs (10-20mA), but for bigger projects (motors, etc.), the circuit is needed.
The lptdrv tool is written in QuickBASIC.
ct-FRAME is a desktop environment for DOS. It offers a lot of applications (e.g. calender, editor, file and a small office suite). Its the KDE/Gnome for DOS. It runs on every operation sys