

#HOW TO CHANGE DEFAULT PRINTER FOR MOZILLA FREE#
This is the notification when you first run Firefox that says “Mozilla Firefox is free and open source software…”Īll you can do with the default preferences file is set the default value of preferences.

In this example, we’re setting a boolean value that tells Firefox that the rights notification has already been shown. You can tell the type of the preference by looking at the Type column in about:config. If it is an integer, you put the value without quotes. In this case, the preference is a boolean, so we specify true or false without quotes as the value on the right. It’s important that you get the format right based on the preference type. js in the defaults/preferences directory and adding lines like: Files in this location will be used for all Firefox users (they are not profile specific).Īdding default preferences is as simple as creating a file with the extension of. That location is the defaults/preferences directory in the same location where the Firefox executable is placed. You can, however, create your own Javascript files and place them in a location so that Firefox reads them as default preferences. It is not recommended that you modify these files directly (and you can’t easily, because they are stored in the file omni.ja). The default preferences are stored in various files like all.js or firefox.js. Your customized settings are stored in a file called prefs.js in your profile directory. We’ll talk more about those in a later post.)Īll of these preferences are stored in JavaScript files. (If you have some locked preferences, the status will say “Locked” and the preference will be in italics. The rest of the settings are marked “default” and are the default settings for the browser. These are the preferences that have been customized in your browser. You’ll also notice that for the bold ones, it says “user set” in the Status column. You’ll notice that some of them are bold and some are not. If you go to the URL bar in your browser and type about:config, you’ll see all of the various preferences that have been set in your browser. The first method we’re going to talk about is adding default preference files. This should allow people that are customizing Firefox to make more informed choices about which method to use.
#HOW TO CHANGE DEFAULT PRINTER FOR MOZILLA SERIES#
I’m going to do a series where I go over each method (that I know about) and detail how it works and what it can change. There are quite a few different methods that people are using today, and there are more that people don’t know about. One of the most talked about subjects on the Enterprise Working Group Mailing List is customizing Firefox. If you find a preference doesn’t work in one location, try it in the other.

Because of the order in which Firefox loads files from these two locations, some preferences can’t be set in defaults/pref. IMPORTANT: As of Firefox 21, there are two locations for default preferences, defaults/pref and browser/defaults/preferences.
