This article first appeared on November 29th, 2012.
Today’s tech trick is a little like knowing where the security exits are in a cinema. Hopefully, it’s a piece of knowledge you never need, but in case things go really badly awry, it’s handy thing to know.
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If you use Firefox, you will probably be familiar with the settings menu – in the Windows version, you’ll find it by clicking Tools, then Options.
However, Firefox has another hidden settings menu. You reach it by typing “about:config” in the navigation toolbar where you’d normally type the website you want to visit.
If you do it correctly, you’ll get a warning screen that says “Here be dragons!” They’re not kidding – you have the potential to do a lot of damage if you don’t know what you’re doing. That said, you now know where it is if you’re ever advised to change something in here by tech support.