You can fire it off on the command line (shell) or in a file, ie. a shell script which would need e(x)ecutable permissions for your user to do so and being called like ./yourscript.sh.
Your output will be written to /root/report. This file might grow since >> will append the output to already existing output.
If you are new as server admin, you should ask for training which should also be in the interesst of your employee as well as might have a look in several guides to administering unix boxes.