One of the new features of Ubuntu 20.04 is kernel support for exFAT. It's my understanding that:

cat /proc/filesystems

should list all the filesystems that the running kernel can support. When I use the above command I get a nice long list of filesystems but it does not include exFAT. Have I misunderstood what is shown by this command?

I am running 20.04 with the 5.4.0_31 kernel

1 Answer 1


It seems that the new exFAT kernel driver was in Staging in 5.4 and fully released in 5.7.

See: https://www.omgubuntu.co.uk/2019/11/linux-5-4-kernel-release-features https://www.omgubuntu.co.uk/2020/06/linux-5-7-kernel-features

  • Thanks for looking at this. What is the significance of it being in staging? Is that like a different version of the kernel that you can get by taking a particular action?
    – PonJar
    Nov 7, 2020 at 8:33

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