(b) Shortcut Menu
Right-clicking on a file or folder opens the Shortcut Menu, which gives options like 'New Folder', delete, rename, etc.
Source: Creating a Folder (in Ubuntu), Chapter 3
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The passage states: "Right-click and then choose the 'New Folder'" — this context confirms that right-clicking opens a shortcut (context) menu with relevant options. The other options (Main Menu, Back Menu, Front Menu) are not standard or mentioned in the chapter. Examiners expect you to simply identify option (b).