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Most modern GNU/Linux distributions will use ext4 by default on a new install. A lot of other systems that advertise they can read “Linux filesystems” usually mean ext2, so occasionally you will see that used as well (as well as ext3 which is really just ext2 with journaling).
Does Linux use NTFS or FAT32?
Portability
| File System | Windows XP | Ubuntu Linux |
|---|---|---|
| NTFS | Yes | Yes |
| FAT32 | Yes | Yes |
| exFAT | Yes | Yes (with ExFAT packages) |
| HFS+ | No | Yes |
What file format does Linux use?
Ext4 is the preferred and most widely used Linux file System. In certain Special case XFS and ReiserFS are used. Btrfs is still used in experimental environment.
