It's the most advanced file system that's supported on all major desktop operating systems (Windows, Mac). Linux is only catching up here. So it's becoming the

It's the most advanced file system that's supported on all major desktop operating systems (Windows, Mac). Linux is only catching up here. So it's becoming the ideal file system for USB sticks. Even if you just care about Windows and Linux, NTFS is not a safe option to share data. I've had too many issues with the available drivers for Linux. Even if you are just sharing between Linux computers, ext2 is no good option, because of uid/gid values being inconsistent between computers. ext2 wasn't made with this use case in mind.