Scurtaturi Firefox

Ctrl+T    Open a new tab
Ctrl+W    Close the current window or tab
Ctrl+Shift+T    Undo close tab (re-open the last closed tab)
Ctrl+Tab    Switch to the next tab
Ctrl+Shift+Tab    Switch to the previous tab
Ctrl+[0-9]    Switch to the 1st, 2nd, 3rd, 4th, etc. tab
/    Open the "Find Text As You Type" widget (bottom of screen)
'    Open the "Find Links As You Type" widget (bottom of screen)
Ctrl+G    Find the next occurrence of a search phrase
Ctrl+Shift+G    Find the previous occurrence of a search phrase
Ctrl+K    Move cursor to the Web Search widget (top right of screen)