You can start Comsol with the following short commands

Version 6.4: ''comsol64''\\
Version 6.3: ''comsol63''\\
Version 6.2: ''comsol62''\\
Version 6.1: ''comsol61''\\


You can start Your Comsol script (*.mph file) with the following generic command:\\
''comsol.batch inputfile.mph''

Hint: 
For the usage of this generic job script ''comsol.batch inputfile.mph'' You have to setup the **comsol enviroment permanently in Your account**!

If the comsol environment ist not (!) set permanently in Your Account please set the right comsol version in Your current terminal with the command:
''module purge; module load comsol/v64''

Please check upcoming comsol events here: 
[[https://www.comsol.de/events|Comsol Events]]

note 1: \\
please avoid to use the CAD Import toolbox license:\\
Goto ''Options >> Preferences >> Geometry >> 3D geometry representation >> In new geometries''\\
and change to ''COMSOL kernel''