The chief procurement officer often ensures that goods and services are promptly delivered. They may be responsible for making sure vendors are paid in a timely manner. A CPO's focus generally is on supply management, whether it is in an office, manufacturing, or retail setting.
MRT.exe is the Windows Malicious Software Removal Tool. It scans for malicious files like viruses in the background and is updating itself every patch day (second Tuesday in a month).
The Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network links. MRTG generates HTML pages containing PNG images which provide a LIVE visual representation of this traffic. Check http://www.stat.ee.ethz.ch/mrtg/ to see what it does.