about:robots
displays a robotic welcome message
about:mozillaabout Mozilla from the Book Of Mozilla (in a Bible shape)
about:configif you promise to be a good boy or girl and be careful you can change some setting of Firefox
about:credits
displays an alphabetical list of FireFox credits
about:license or about:licence
displays license of program
about:cache
some information about Firefox cashe
about:buildconfig
about build platform,Build tools and Configure arguments
about:plugins
about installed plug-ins
about:blocked
when you send a request to browse a malicious page this page will be appeared
about:logo
yes, the hot foxy logo
about:neterror
don't afraid it's not real error
Source : http://78med.persianblog.ir
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