exFAT has no journal, so you feel the difference when it's already to late ;)
>I’ve never noticed any difference
Well, i don't know what to say, but you can read some of them:
https://en.wikipedia.org/wiki/Unix_File_System
https://en.wikipedia.org/wiki/Unix_File_System#Bibliography
https://en.wikipedia.org/wiki/ZFS
UFS SoftUpdates are a bit like journals and UFS has something like policies so you can change the "behavior" of the filesystem on the fly. With SU, UFS gained the ability to make snapshots (a feature ~normally just COW filesystems support)
>A Brief History of the BSD Fast Filesystem by Marshall Kirk McKusick
https://www.youtube.com/watch?v=1BbMBdGPoHM
ZFS has just too many feature's to write them down, but data integrity, compression, snapshots and an integrated volume-manager are surely some high-lights.
And speaking about Linux Filesystems, there are some points that RHEL uses XFS and not EXT3/4:
https://en.wikipedia.org/wiki/XFS