To display the ribbon if it is not displayed in your workspace, or has been closed, enter ribbon on the command line.
You can use the 
button at the right of the tab names to modify the appearance of the ribbon as follows:
- To display only the tab names as titles, click (Minimize to Tabs).
- To display only the panel titles of the ribbon tabs, click (Minimize to Panel Titles) at the top right of the ribbon.
- To display only the panel buttons, click again (Minimize to Panel Buttons).
- To redisplay the full ribbon, click a fourth time (Show Full Ribbon).