"Neither the ext4 filesystem nor Samba 4 are ready for
prime-time yet, but they are chock-full of promise and potential,
so let's take a look at what they are promising to deliver.
"Linux supports all manner of file systems: ext2, ext3, JFS,
XFS, ReiserFS, NTFS, FAT12/16/32 and many more. Look in your
/boot/config-[kernel version] file under 'File systems' to see
what's enabled in your kernel..."