$ curl cheat.sh/
# xeyes
# Display eyes on the screen that follow the mouse cursor.
# More information: <https://manned.org/xeyes>.

# Launch xeyes on the local machine's default display:
xeyes

# Launch xeyes on a remote machine's display 0, screen 0:
xeyes -display remote_host:0.0

$
Follow @igor_chubin cheat.sh tldr