You could have downloaded Sysinternals Diskmon 2.01 from our software library for free. The most popular version among the software users is 2.0. Commonly, this program's installer has the following filename: Diskmon.exe. Our antivirus scan shows that this download is virus free. This free program is a product of Mark Russinovich. The program belongs to System Utilities.
From the developer:
DiskMon is an application that logs and displays all hard disk activity on a Windows system.
You can also minimize DiskMon to your system tray where it acts as a disk light, presenting a green icon when there is disk-read activity and a red icon when there is disk-write activity.
You may want to check out more software, such as Sysinternals Toolbox WebDAV, Sysinternals Desktops or Sysinternals ShareEnum, which might be related to Sysinternals Diskmon.