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So say I have a Raspberry Pi with Ubuntu on it. And if I were to plug it in via USB A to USB A cable to another computer. Or if it were attached via GPIO with a USB end and plug it into another computer.

How would I make it so that the computer think that the USB cable that is plug in to it is a vfat flash drive that it can read and write files.

Edit: The file system of the drive would be on in a file so like a fat32 file system in file form and would be use when the external computer reads the "flash drive"

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  • Not even Android phones work that way since a long time ago.
    – ChanganAuto
    Apr 6, 2022 at 18:24
  • what do you mean by that?
    – lnee
    Apr 6, 2022 at 18:26
  • Even if you could (can you?) what filesystem would the other computer access? Windows can't read ext4? What partition would it present?
    – cocomac
    Apr 6, 2022 at 18:26
  • but windows can read vfat or fat32
    – lnee
    Apr 6, 2022 at 18:29
  • Not sure about an RPi but there is and app like what you want for Android. It is named DriveDroid: https://askubuntu.com/questions/925400/…
    – C.S.Cameron
    Apr 7, 2022 at 0:17

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