You may have noticed that, the Firefox versions that ship for Linux, don`t have the ability to select the url in the address bar on single-click of a mouse, whereas this is set by default in Windows versions of Firefox. If, you feel this feature should be there in the linux version of firefox too, [...]

The default search engine in the search bar of Flock  Browser is Yahoo! Unlike Mozilla Firefox, you can not change the default search engine in the Flock Browser with a single click. In order to change the default search engine in the Flock Search bar, you should take the following steps:

Go to Tools > Options. [...]

The Bing Development team has released a Bing add-on for the Firefox Web Browser which lets you add Bing to the list of search engines in the Firefox Search bar. The description about the add-on in the Firefox add-on directory says that this add-on is the only officially supported Bing add-on, provided by Bing team [...]