Short for Resource Monitor, Resmon is a feature introduced with Windows Vista that enables users to view real-time resource information about software and hardware on their computer. It shows things like memory, disk, CPU and network performance, and which software handles and file modules are working.

Below is an example of the Windows Resource Monitor in Windows 8 and type of information it provides to users.

Each tab in the Resource Monitor provides different information.

  • Overview - Provides a quick look at CPU usage, memory usage, disk activity, and network activity. Clicking and expanding each gray bar provides data for that category.
  • CPU - Displays a list of processes running on the computer, how many active threads they are using, and the percentage of CPU resources being utilized
  • Memory - Displays a list of processes running on the computer and the amount of memory being used
  • Disk - Displays a list of processes performing read or write activities to the computer hard drive, and how many Bytes per second each activity is executing
  • Network - Displays a list of processes utilizing the computer’s network connection to send and receive data, and how many Bytes per second each activity is executing

CAM, CPU, Disk, Hardware, Memory, Network, Resource, Software, Software terms

  • How to open the Resource Monitor in Windows.
  • How to measure a computer’s performance.