FreeBSD Mastery: Advanced ZFS (IT Mastery) (Volume 9)

There is uclcmd [https://github.com/allanjude/uclcmd] which could do with some more work but was created with the intent of being a UCL equivalent of JQ.

Also since he’s the kind of person that a HN reader will probably Ike to know more about. The original author of the aforementioned uclcmd, Allan Jude [https://www.amazon.com/FreeBSD-Mastery-ZFS-7/dp/0692452354/] and FreeBSD Mastery: Advanced ZFS [https://www.amazon.com/FreeBSD-Mastery-Advanced-ZFS/dp/06926...]