All supported FreeBSD versions support ext2/3 read and write with most of the features, excepting journalling. FreeBSD 12+ includes initial support for writing ext4 filesystems (thanks to Fedor Uporov).

What is difference between UFS and ZFS file system?

1. ZFS is an open source software combined file system that supports high storage capacities; UFS is a file system unique to Unix, and is a removed descendant of the original Version 7 Unix file system.

What is Z file system?

The Z File System (ZFS) is an open-source logical volume manager and file system created by Sun Microsystems, originally for its Solaris operating system. … Storage can be taken from the pool and allocated to other file systems, and the pool can be increased by adding new storage devices to the pool.