What and how to work svchost.exe?

For Windows users must know svchost.exe. That program is definitely running and we can see in task manager. You can not stop the process, and you do not you will not know when the process begins ...
Now the question whether it is svchost.exe?

According to Microsoft: "svchost.exe is a generic host process name for services that run from dynamic-link library". whether you can interpret the system?
Some time ago, Microsoft started moving all the functionality from internal Windows dll file is not divided into exe files. From the programming perspective this makes more sense for reusability ... but the problem is that you can not launch filedll. directly from Windows, it must be entered and run with the executable (. exe). svchost.exe process that's beginning to form.
sometimes we are confused why many Svchost running on our computer

If you've seen parts of the Service in the Control panel you might notice that there are many services that are needed by Windows. If every single service beekerja under a single svchost.exe instance, a failure in one system may mengakibatksn all sytem Windows fails to work, so they separated.
Services are organized into logical groups, and then a single svchost.exe instance is created for each group. For instance, one svchost.exe instance run 3 Service relating to the firewall. Another example of svchost.exe can run all the service related to user interface, and so forth.

What should you do?
You can cut the services that are not required to disable or terminate the Service that does not absolutely have to run. Also, if you see a very heavy CPU usage on svchost.exe instance you can restart the service is running.
The biggest problem is to identify what service is running on a particular svchost.exe instance, we will discuss it below.

If you want to know what we are talking, open the Task Manager by way of Press Ctrl + Alt + Del simultaneously and then click the Process menu and check "Show processes from all users"

Checking From the Command Line (Vista or XP Pro)
If you want to see what services are to be hosted by a particular svchost.exe instance, you can use the tasklist command from the command prompt to see a list of services.
how to click Start => Run => cmd then type the command, after being in command at the dos prompt type CD\and then on the C prompt type tasklist /SVC (C:\tasklist/SVC)

The problem with using the command line method is that you do not need to know what the names are vaguely visible.

Checking in Task Manager in Windows Vista
To check the Task Manager of this facility can not be done on Windows XP, but you can use a utility called Process Explorer which will be discussed below. You can right click on a particular svchost.exe process, and then select "Go to Service".

This goes to the Services tab, where the service is running under the svchost.exe process will be selected. This way you can see the original name under the Description column, so you can choose to disable the service if you do not want to operate.

Using Process Explorer in Vista or XP

You can use the excellent utility just as Process Explorer from Microsoft / Sysinternals to see what services are running as part of a svchost.exe process.
Using your mouse over one of the process will display a popup list of all services:
Or you can double-click on the svchost.exe instance and select the Services tab, where you can choose to discontinue a service if you choose.
hopefully you are not confused with the existence of this svchost.exe

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