Graphical user interface working in WSL under Windows 10

Open the URL http://x.cygwin.com/ or http://cygwin.com/ and download the Cygwin installer. The installation process can refer to the official instructions or other bloggers¹.

Before installation, make sure that the WSL option in the control panel has been enabled .

Download Ubuntu in the Microsoft Store of Windows 10 and complete the configuration. If you want, you can install the other Linux distribution, such as OpenSUSE. In this case, only the executed statements will be different.

Then, install XClip and other related X Window utils through following statements.

  sudo apt install xclip
  sudo apt install x11-xserver-utils
  sudo apt install x11-apps

Open Cygwin and execute the following statement, and keep the window run in the background².

  startxwin -- -listen tcp

Open another Cygwin window, perform the following statement, and then close the window or do something else.

  DISPLAY=:0.0 xhost +

Set environment parameter DISPLAY³.

  export DISPLAY=:0.0

Test through xeyes or xclock command.