Installing Release 12.1 on UNIX Workstations (MATLAB Installation Guide for Unix) MATLAB Installation Guide for Unix     Specifying Print Options MATLAB includes default settings for the various options to the print command. If you want to change the site-wide default settings for printing device type and location, you can edit the M-file printopt.m, located in the directory $MATLAB/toolbox/local. This file contains the options for the print command that MATLAB uses.  Starting the License Manager Specify Documentation Viewing Options