Sign up ×
Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

I came across Firefox undocumented options

GTK options

Perhaps someone "in the know" can comment on these or link to a reference? I tried for example firefox -kill and firefox -killAll but they seem to do nothing.

share|improve this question

1 Answer 1

up vote 1 down vote accepted

Only the first two exist in the source code. In fact they are sort of mummies, only read and not applied anywhere.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.