Tabs
Summary: These shortcuts are used for working with tabs.

table with 2 columns and 11 rows
To do this
Press this 

Close tab

Ctrl+W 

Close tabs in the background

Ctrl+F4 

Open links in a new tab in the background

Ctrl+click 

Open links in a new tab in the foreground

Ctrl+Shift+click 

Duplicate tab

Ctrl+K 

Open a new tab

Ctrl+T 

Reopen the last tab you closed

Ctrl+Shift+T 

Switch between tabs

Crtl+Tab or Crtl+Shift+Tab 

Switch to the last tab

Ctrl+9 

Switch to a specific tab number

Ctrl+n (where "n" is a number between 1 and 8)
table end
