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Last active January 25, 2022 09:31
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FAT32 filename casing woes
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gistfile1.md

On OpenBSD machine, fdisk and newfs a USB disk with a FAT32 (0x0c) filesystem, mount it with default options and:

# touch a B aaaaa BBBBB longlonglong OPENBSD_OPENBSD
# ls
B                BBBBB            OPENBSD_OPENBSD  a                aaaaa            longlonglong

Now unmount it and take it to a Debian 11 box, and mount with default options:

# ls
a  aaaaa  b  bbbbb  longlonglong  OPENBSD_OPENBSD

But if you mount on Debian with -o shortname=win95, then you get:

a  aaaaa  B  BBBBB  longlonglong  OPENBSD_OPENBSD
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