task manager,what is task manager, how to use task manager
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what is task manager, how to use task manager?

What is task manager?

Windows Task Manager is a task manager application included with Microsoft Windows NT family of operating systems that provides detailed information about computer performance and running applications, processes and CPU usage, commit charge and memory information, network activity and statistics, logged-in users, and system services. The Task Manager can also be used to set process priorities, processor affinity, forcibly terminate processes, and shut down, restart, hibernate or log off from Windows. Windows Task Manager was introduced with Windows NT 4.0, previous versions of Windows NT included the Task List application, which had far fewer features. The task list was capable of listing currently running processes and killing them, or creating a new process.

How to use task manager?

When you select the Processes tab, the default detail view displays five columns of information about each process:

1. IMAGE NAME: The name of the process.
2. USER NAME: The user account under which the process is running.
3. Session ID: A number that identifies the owner of the process. When multiple users are logged on, each user will have a unique session ID.
4. CPU: The percentage of the CPU's capacity that a process is currently using.
5. MEM USAGE: The amount of memory the process requires to perform its job.

While these five columns provide you with a basic idea of the process and how it affects the system, you can customize this display with your choice of 21 other columns to get even more detailed information. Here is how:

1. Click the View menu and click Select Columns.
2. Select the check boxes adjacent to the columns you'd like to add.

If you're unsure of the type of information that a particular column displays, access Task Manager Help Topics from the Help menu and search for the term "Process counter column headings." This will open a page with detailed descriptions of each column.

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