So after reading this question it appears Mathematica can resume sessions essentially if you pass it the -sl option.
Is there a way to make it act more like Windows and OSX and make this the default when clicking on the Mathematica icon in the dock?
-sl
option to the command there. Don't have Linux at the moment so I can't test, but I think that's how I had mine set up. $\endgroup$ – Jason B. Oct 17 '16 at 15:10.desktop
file and edit it to add the option there. This should be relevant askubuntu.com/questions/13758/… $\endgroup$ – Jason B. Oct 17 '16 at 15:17