Prevent autolinking in Moodle

Autoliking is a Moodle's feature that automatically links (within a course) text typed in Moodle to:

1. Glossary activity entries 
2. Database activity entries
3. Activity and resources names

Autolinking can be set at four different levels:

1. Site wide: it can be switched on/off by going to Settings > Site Administration > Plugins > Filters > Manage Filters.

Note: Applying filters to headings as well as content can greatly increase the load on your server.

2. Moodle courses: it can be managed within individual courses from Settings > Course Administration > Filters

Resources & Activities within a Moodle course: it can also be managed from within an activity or resource from Settings > [Activity name] Administration > Filters. Below is a videotutorial for turning off auto-linking to glossaries in a quiz.

Video uploaded to youtube by David Appleyard

Specific text : it's possible to disable autoliking within activities and resources by highlighting the text and clicking on the Prevent automatic linking button (chain with a cross through it, see screenshot below). 

Note: Alternatively, when going to the HTML in the editor you can add the <nolink> ... </nolink> tags around the relevant content.