How do I enable full screen in Ubuntu?

To maximize a window using the keyboard, hold down the Super key and press ↑ , or press Alt + F10 . To restore a window to its unmaximized size, drag it away from the edges of the screen. If the window is fully maximized, you can double-click the titlebar to restore it.

How do I make my virtual machine full screen?

Press the “Host Key” and “F” simultaneously to enter full-screen mode. Alternatively, click the “View” menu at the top of the window and select “Switch to Fullscreen.” This displays a dialogue box containing information about the full-screen mode in VirtualBox.