DOKK / manpages / debian 12 / gfsview / gfsview.1.en
GFSVIEW:(1) User Commands GFSVIEW:(1)

gfsview: - graphical viewer for Gerris simulation files: 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
August 2014 gfsview: version 20121130