Sorry for the inconvenience. Known Navigation header breakage.
There may be other unforeseen breakage primarily in the handbook portion of the wiki.
The Table Of Contents section of each "PC-BSD® Users Handbook" page may be the best workaround.
Category:Advanced Installation Topics
This category has the following 4 subcategories, out of 4 total.
Pages in category ‘Advanced Installation Topics’
The following 79 pages are in this category, out of 79 total.