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Windows Services

“On Microsoft Windows operating systems, a Windows service is a long-running executable that performs specific functions and it is designed not to
require user intervention. Windows services can be configured to start when the operating system is booted and run in the background as long as Windows is
running, or they can be started manually when required. They are similar in concept to a Unix daemon. Many appear in the processes list in the Windows Task
Manager, most often with a username of SYSTEM, LOCAL SERVICE or NETWORK SERVICE, though not all processes with the SYSTEM username are services.
The remaining services run through svchost.exe as DLLs loaded into memory.”


For more information please continue to read the wikipedia article

Windows 7 services list


Windows 10 services list