Random thoughts, no particular order

I think btrfs was the default the last time I installed Bazzite, but I don't really know anything about it so I switched it to ext4. I understand the snapshot ability is nice with rolling release distros, though.

It'd been ages since I'd used FAT32 for anything until I made a Debian live USB when I was setting up my pi-hole on an old Core2Duo recently. It would only boot on FAT32 for reasons I probably once knew. 😆

NTFS was an improvement over the FATs what with the journaling, security, file streams, etc. I use it wherever I still use Windows (work).

Most of my general purpose USB flash drives use exFAT. I like not having to worry about eject/unmount.

I wish I'd actually chosen a file system instead of just letting window's at the time default to NTFS for external drives.

Moving from Windows to Debian; NTFS has been nothing but a headache. I've actually had to setup a windows machine to serve that drive pool via SAMBA as Linux just won't play nicely with it.

My regular computer is ext4.

I assume my raspberry pi is ext4, but I've never checked what DietPi runs as default. It works fine.

My 720xd is ext4 on the OS drives, but the storage drives are ZFS with dual parity.