Resource Monitor is a system application in Microsoft Windows

Microsoft Windows

Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

 operating systems. It is used to view information about the use of hardware (CPU, memory, disk, and network) and software (file handles and modules) resources in real time. Resource Monitor is available in Windows Vista

Windows Vista

Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs...

and onwards only (In Windows Vista, it is known as Reliability and Performance Monitor). Resource Monitor can be launched by executing resmon.exe (perfmon.exe in Windows Vista). It was also on Windows 95, 95 OSR, 95 OSR2, 98, 98SE, ME, and NT.

Features

The Resource Monitor window includes five tabs:

• Overview

displays basic system resource usage information

displays column lists of Processes, Services, Associated Handles and Associated Modules; charts of CPU Usage (separate for every core)

• Memory

displays overall Physical Memory consumption and separate consumption of every Process; charts of Used Physical Memory, Commit Charge and Hard Faults/sec

• Disk

displays Processes with Disk Activity, Disk Activity and Storage; charts of Disk Usage (KB/sec) and Disk Queue Length

• Network

displays Processes with Network Activity, Network Activity, TCP Connections and Listening Ports; charts of Network Usage (separate for every adapter) and TCP Connections