Question: how to install xmgrace on mac?
Answer: $ xcode-select --install. 2) Install open motif. $ sudo port install openmotif. 3) Install Xmgrace. $ sudo port install grace. 4) Open Xmgrace and enjoy! $ xmgrace. METHOD 2: $ xmgrace. you can try: $ DISPLAY=:0.0 xmgrace. if it doesn't solve the problem, you need to open XQuartz and then enter the following command: