IN THIS CHAPTER
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, ...