O'Reilly logo

Firefox and Thunderbird: Beyond Browsing and Email by Peter D. Hipson

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 4. Managing Profiles

Profiles are used by Firefox to store data that is specific to a user. You can save and restore profiles, share profiles with other users, and customize your profiles both by using Firefox and by carefully editing (perhaps using WordPad) the files that make up your profile.

When Firefox loads, it first loads all the default preferences. It then loads the preferences stored in prefs.js. Finally, it loads the preferences stored in user.js. Any setting in prefs.js overrides the default value, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required