A lot of power users utilize the RUN command for access to settings that may not be available in other ways. One of the most common commands for power users is MSCONFIG, but there are many more commands that people don’t realize exist. Granted some of them are not so useful, like MPLAY32 will launch Windows Media Player 5.1, but they are interesting none-the-less. The command PERFMON will show you a performance monitor for your computer, and there are a lot more commands. For a full list visit the source below.

Source: theNet.to.md