It's a newer CDROM filesystem standard that's required for DVD roms. It's meant to be a replacement for the ISO9660 filesystem used on today's CDROMs, but the immediate impact for most will be DVD.

When trying to open a large file, around 500 MB to 2 GB, applications like Notepad and Notepad++ fail as they do not support these file sizes. Notepad was meant to take a quick look into smaller log ...