Windows: Reading Process Information

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Aus dem Kurs von Google

Operating Systems and You: Becoming a Power User

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Google

Operating Systems and You: Becoming a Power User

4026 Bewertungen

Kurs 3 von 5 in Specialization Google IT Support Professional Certificate

In this course -- through a combination of video lectures, demonstrations, and hands-on practice -- you’ll learn about the main components of an operating system and how to perform critical tasks like managing software and users, and configuring hardware. We’ll wrap up with an example of how you might see this content show up in an interview setting. By the end of this course you’ll be able to: ● navigate the Windows and Linux filesystems using a graphical user interface and command line interpreter. ● set up users, groups, and permissions for account access. ● install, configure, and remove software on the Windows and Linux operating systems. ● configure disk partitions and filesystems. ● understand how system processes work and how to manage them. ● work with system logs and remote connection tools. ● utilize operating system knowledge to troubleshoot common issues in an IT Support Specialist role.

Aus der Unterrichtseinheit

Process Management

In the fifth week of this course, we'll explore process management. As an IT Support Specialist, it is important to use system tools to read and understand process statuses of machines. We will cover ways to start and terminate a process in Windows and Linux. We will also apply troubleshooting tools to solve problems with processes and resources. By the end of this module, you will use Windows and Linux commands to do practical process maintenance.

Windows: Reading Process Information3:42

Linux: Reading Process Information4:13

Windows: Signals1:52

Linux: Signals1:12

Windows: Managing Processes5:00

Linux: Managing Processes4:12

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It might feel like we're starting to get into the weeds here.

So let's take a step back and think about what processes really

are and what they represent in the context of an operating system.

You can think of processes as programs in motion.

Consider all the code for your Internet browser.

It sits there on your hard drive quietly waiting for its time to shine.

Once you start it up,

the operating system takes that resting code then

turns it into a running, responding, working application.

In other words, it becomes a process.

You interact with launch and halt processes all the time on computers,

although the OS usually takes care of all that behind the scenes.

By learning about processes,

you're taking a peek behind the curtain at how operating systems really work.

This knowledge is both fascinating and powerful,

especially when applied by a savvy IT support specialist to solve problems.

Keep all that in mind as we take a look at how you

can pull back the curtain even further.

Next, we'll learn about the different ways you can investigate

which processes are running on

a Windows computer and more methods of interacting with them.

On the Windows operating system,

the task manager or task mgr.exe is one method of obtaining process information.

You can open it with the control shift escape

key combination or by locating it using the start menu.

If you click on the processes tab,

you should see a list of the processes that the current user is running

along with a few of the system level processes that the user can see.

Information about each process is broken out into columns in the task manager.

The task manager tells you what application or image the process is

running along with the user who launched it and the CPU or memory resources it's using.

To kill a process,

you can select any of the process rows and click

the end task button in the lower right corner.

We can demonstrate this by launching another notepad.exe process from the command line,

then switching over to the task manager,

selecting the notepad.exe process and ending it.

I already have Notepad open so I'm going to click on it, click end task.

In an earlier lesson,

we talked about starting and ending Windows processes.

Remember that we used the task kill command to stop

a process by its identification number or PID.

So how do we get that PID number?

While in task manager,

you can click on the details menu option and here,

you can see a whole bunch of other information you can get the task manager

to display, including the PID.

You can also see this information from both a command prompt and PowerShell.

From the command prompt,

you can use utility called TaskList to show all the running processes.

From a PowerShell prompt,

you can use a Commandlet called Get-Process to do the same.

There are lots of ways you can get process information from the Windows operating system.

We've included links to the documentation of both TaskList and

Get-Process in the supplementary reading

in case you want to dive deeper into either of these tools.

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