What are the services in windows 10 with numbers at the end?

Question

Windows

I moved from 7 to 10, I wanted to disable services, and the question arose ... Tell me

what kind of services are these and why is there a digital ending _666666 in some services ?
Is this normal?
Where can I read about this phenomenon?

Answer 1

Is this normal?

normal
There are not only numbers, but also letters are made
As for the service that is highlighted on the screen, I won’t say, but basically such services are needed for telemetry, and the numbers at the end are random, so that it’s difficult to remove from the script
Here are examples

spoiler

Имя_службы: CDPUserSvc_1aadf6b
Имя_службы: OneSyncSvc_1aadf6b
Имя_службы: PimIndexMaintenanceSvc_1aadf6b
Имя_службы: UnistoreSvc_1aadf6b
Имя_службы: UserDataSvc_1aadf6b
Имя_службы: WpnUserService_1aadf6b

the first deleted, because explicit telemetry. The rest did not touch