Hi, I am much impressed by  Felix’ blind-accessible DOS setup!!

> Am 10.05.2021 um 12:20 schrieb Tomas By <to...@basun.net>:
> 
>> a) Can FreeDOS boot from a flash drive?
> 
> You're going to get different answers. Empirically, yes it works fine
> in some cases. Theoretically, however, it is apparently impossible.

I am not an expert, it just happens that I had installed DOS 1.3 on an ITX 
hardware Harddisk, and the BIOS of this machine allows for booting from the 
harddisk and writing/reading to a USB Disk, when already plugged in before 
booting the System, without any extra utils. (Seems that this BIOS allows for 
it).  It doesn’t work the other way round, and also it does not recognize a 
second USB Stick in this case


case 2) I unplugged the Harddisk and use 2 USB Disks, one with FreeDOS System 
on it, the other one just a data storage.

I can boot from the flash (=USB Stick) and go easily back and forth between C: 
or D: to read/write or start any program from either USB Stick. 

I think, the most important question here is, if the BIOS of your computer does 
handle USB in the way you want. Otherwise it will be a long ride, I guess.

I have also the same „issue“ in that some helper software I would want (ex.: 
Hotkeys) only works on Windows, so I don’t know, how to solve this on DOS. My 
simplest approach is it to use hardware that does, what DOS cannot do. (In my 
case using a programmable keyboard.) Is anyway the moste stable solution and 
takes no precious RAM/computing time.

Hope that helps in some way, 
regards, Thomas D
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