(1) Type “link-library” short code displays all cats and all links under each cat

(2) Type “link-library-cats” short code displays all cats only, no links underneath

(3) One can use “override cats” to override categories using ID of the “link categories”. The following is to display only AI, Human Factor, and 3d Printing for which the link category IDs are 345, 303, 286 respectively.

REFERENCE:  New Link Library Reference by the Author.