ZFS is well known for being a rock solid storage system with a plethora of features. Yet, most users are unaware of just how powerful ZFS is. ZFS is so fundamentally different from other file systems that new and interesting things are possible. This presentation will demonstrate a number of very interesting configurations that sysadmins, developers, and others may find very useful. Topics will include interesting subcommands, delegation hacks, mount point trickery, and jail shenanigans.