**xrandr** is part of the **X**-windows system. It provides for **R**otation **AND** **R**e-sizing of the _root_ window. Use this tag for _root_ window re-sizing problems and solutions. **xrandr** is both a _stand-alone program_ and an _X-windows extension_. The extension must be present for the program to work.
xrandr is part of the X-windows system. It provides for Rotation AND Re-sizing of the root window. Use this tag for root window re-sizing problems and solutions. xrandr is both a stand-alone program and an X-windows extension. The extension must be present for the program to work.
Used with no arguments, xrandr will report the absence of the extension, or, if present, will provide a list of known resolutions. The index number can be used to resize the window. If all is working well, you should never have to use the program, because the root will change sizes and rotations as needed.
USE THIS TAG to cover questions or answers about situations where the root window does not automagically do what you want. The tag is often used in conjunction with the vnc program tag that is in use when bewilderment is present.