Hi Francois, The option '-v 0' should work. Best, Mikhail On 01/15/2015 02:29 AM, gmsh-request at ace20.montefiore.ulg.ac.be wrote: > Hello > I know this is a very basic question but I can't seem to figure it out on > my own > I'm running Gmsh from a python script using "os.system('tetraedre.geo -3)", > is there an option I can use to disable displaying info of the meshing? > Thanks in advance