how to clear private data when closing firefox

This post described how to clear private data such as cookies, saved password, authentication sessions, etc.. from firefox when you exiting the browser, follow these steps.

• Open firefox borwser
• In the menu, go to tools, and click options
• In the options window click privacy tab
• Under private data section, click settings
• Now select,the actions you want to clear by putting check to each box
• Now in private data section select "always clear my private data when i close firefox"
• Now click ok

From now on when you close firefox it will prompt you to perform cleanup action,
if you don't want prompt each time when you close firefox and you want to run cleanup process automatically just deselect " ask me before clearing private data" in a private data section and click ok.