For reasons known to no one, it was removed. Look for an icon of three horizontal lines.

Type about:preferences<enter> in the address bar.

Many of us are using; Classic Theme Restorer (Customize Australis) {web link} Restore squared tabs, appmenu, add-ons bar, small button view and more on Australis UI (Windows/MacOSX/Linux + Fx 29+).

This will restore many of the things the last upgrades took away.

http://forums.mozillazine.org/viewtopic.php?f=48&t=2827985 Classic Theme Restorer - Discussion Thread (v2)

Options is used on the Windows platform. On Linux it is named Preferences.

• https://support.mozilla.org/kb/get-started-firefox-overview-main-features
• https://support.mozilla.org/kb/learn-more-about-the-design-of-new-firefox

Note that Ubuntu 11.xx and later displays window menus in the control bar at the top of the screen with the switch to the Unity window manager.

You can tap the Alt key or press F10 to show the Menu Bar.

You can use one of these to set which toolbars to show.

• "3-bar" menu button > Customize > Show/Hide Toolbars
• View > Toolbars
  You can tap the Alt key or press F10 to show the Menu Bar
• Right-click empty toolbar area

Alt keys shows toolbar at top thanks, still cant find settings i was looking to claer cookies and cache thanks

"Clear the Cache":

• Edit > Preferences > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

• Edit > Preferences > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"

• https://support.mozilla.org/kb/remove-recent-browsing-search-and-download-history

thank you thats helped a lot