Just download Digipup iso and burn it into your cd using your favourite cd burner software. Boot Digipup cd and install it on your old/new pc. For your information, Digipup is from Puppy Linux, a minimalist Linux distribution for old pc. It can run on your pc WITHOUT hardisk/storage. Cool huh ? Insert Digipup cd on your diskless pc and see what happen.
Overseas ham radio operator utilizing open source software for their daily usage, why don't we give it a try.