chrome://browser/content/aboutDialog.xul
note : Use to open mozilla about page.
chrome://browser/content/metaData.xul
note : Use to show explanation of mozilla content
chrome://browser/content/openLocation.xul
note : Use to open web page that saved in your computer.
chrome://browser/content/history/history-panel.xul
note: Use to show browsing history panel.
chrome://browser/content/migration/migration.xul
note: Use to import firefox setting (Bookmark, History, cookies and password, etc) from other browser.
chrome://browser/content/preferences/colors.xul
note : Use to manage content colors.
chrome://browser/content/preferences/connection.xul
note : Use to manage a proxy setting
chrome://browser/content/preferences/cookies.xul
note: Use to show all cookies that saved by mozilla in your computer.
chrome://browser/content/preferences/languages.xul
note : Use to manage mozilla language.
chrome://browser/content/preferences/permissions.xul
note : This is my favorite function, this function is use to un/block a website.
chrome://browser/content/preferences/sanitize.xul
note : Use to erase all browsing history (in a one session)
chrome://browser/content/browser.xul
note : Use to open mozilla inside mozilla it self.
chrome://global/content/alerts/alert.xul
note : Use to minimize mozilla (unique content), to stop this action pres Ctrl()+W.
chrome://global/content/console.xul
note : Use to open javascript console.
chrome://mozapps/content/extensions/extensions.xul?type=extensions
note : Use to manage extension/add-on
chrome://global/content/filepicker.xul
note : Use to open new window like file picker in linux.
Thats all folks, i hope tips (Secret Syntax to open Mozilla Firefox Hidden Function) above will makin' easy your internet activity.