RE: How to switch to a super user status to gain privi...
"su" is the command to switch to a super user status (commonly known as root user) from a user shell.
This command does not load the shell settings for a typical super user that login from a login screen. Therefore environment variables/settings remained the same as that of the previous user shell.
To load root user environment settings with a super user status from a user shell use "su -"