Manual page for gfsview: version 20121130
gfsview [\,OPTIONS\/] \,FILE1 FILE2 \/...
Opens Gerris and/or GfsView files using the appropriate (2D or 3D) version of GfsView. All the files must have the same dimension (2D or 3D).
[......]
any valid option of GfsView
[--help]
display this message and exits