Old DOS to Virtual Machine?

I have a friend that want's his aging system ported to new hardware.

This is a few old DOS base system, for spread sheet and accounting, which should have stopped working two years ago!

We re-build his old computers as multiple Virtual Machines on one really new PC and three monitors. But "Only one person can use any one of my old computers?", so we setup remote access to the virtual machines.

"That is pretty cool, but my new bar code scanner is not working?" ... Huh, it's build for Windows, "How do you expect Windows tool to work on an old DOS system?" ... Friend, I'm sure you will find a way, we have plenty faith ...

Some nights later, Samba sever setup and DOS networking in place and data captured on the hand held bar code scanner, and we are getting data to DOS, from an Windows connected device!!

"Ok, how about this new HP printer, why can only WordPad print to it?", aarrhhh, another DOS/Linux conundrum. Package a free driver for CUPS that speaks Zenographics ZjStream wire protocol. What, not PostScript? Samba print server, to CUPS as PostScript, CUPS converts PostScript to ZjStream and sends to Windows Printer server and all this works ... But not as fast as the old 386 hardware that had not spares or replacement parts ...

Linux as the universal swiss arm knife of computers. What else can I do, but build a better Free and Open Source Future? Happy converting your GrandMa and all her friends!!

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