You can set the command line parameters with the "run" command. The syntax for the "run" command is as follows:
Using only the command "run" will simply start the desired Quake application. The following example will tell the appication "Quake" to start without any parameters:
Using the command "run params String" will start the desired Quake application with the command line parameters stored in "String". The following example will tell the application "Quake" to start with the command line parameters "-hipnotic".