Configuration files
.vimrc is the configuration file for the Vim editor.
.vmdrc is the configuration file for VMD.
The Gnuplot directory contains the gnuplot configuration file and color scheme for gnuplot (gnuplot-colorbrewer repository cloned from https://github.com/aschn/gnuplot-colorbrewer.git).
To know the path of gnuplotrc file in your system, type following command in gnuplot: show loadpath
show loadpath
Typically gnuplotrc is read from /usr/share/gnuplot/gnuplot/5.2