Your changes to the Pocket Rocket Linux Setup cannot be saved using the current configuration.
The DEFAULT configuration is FORGET EVERYTHING when you reboot (most secure). This deletes all session information and restores a clean system with each boot.
If you want the system to remember your settings, changes to the file prlprefs.js are saved in a user managed area on a Read/Write drive such as a hard drive or USB Flash Drive.
These changes include desktop colors, icons, timers and other preferences and are loaded after the system boots up.
Several of the settings are related to RESTORING user preferences.
restore (master restore setting - restores all user preferences at each boot)
restorsh (shell script restore)
restorhtm (htm and js file restore)
restorcfg (software configuration restore)
restorprlff (firefox bookmarks, extensions and user.js preference restore)
restordocs (user document restore)
restordocencrypt (encrypted document and password restore)
restorimg (image restore, such as saving a new Desktop Wall Paper)
Until you set these to Yes, your changes will not take effect even if you reboot.
Therefore, the first settings you should change are your RESTORE settings. Either set the master restore to Yes or at the least, set the restorhtm to Yes so
prlprefs.js will be saved with your changes.