Dear GMX Users, in Gromacs 18.1, May you please kindly help me with this command: When I am trying to plot xvg by grace, I only see such thing... nanolab at nanolab:~/gx01$ grace pressure.xvg grace:1> grace:2> grace:3> grace:4> grace:5> grace:6> grace:7> grace:8> grace:9> grace:10> Many thanks. +Mahmoud