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A lot of us hear the term operating system and think of the interfaces of our  desktops and phones, like the menus, buttons and backgrounds.  Technically these are part of the operating system but  it's a little more complex than that.  An operating system...

Another operating system that has started to gain popularity is Chrome OS, which you can read about in more detail here. bro also check out Vanilla os one of the most user friendly linux distros, it started as an ubuntu flavor but is becoming its own thing u...

Imagine if you had to store a single file in a cabinet. That sounds so bad. What if instead of one file you had to store 100,000? Can you see a problem here? Well, on our computers we can easily store hundreds of thousands of files, if not more, problem-solved...

Microsoft is currently developing another filesystem called ReFS, it isn’t quite ready for consumer use, but if you’re interested in learning more you can read more about here. Heads up: A big part of being successful in an IT role is the ability to be a se...

One of the most important tasks that our kernel performs is process management. A process is a program that's executing, like our Internet browser or text editor. A program is an application that we can run, like Chrome. Take note of the difference. We can hav...

Remember that when a process runs, it needs CPU time, but it also needs memory. When processes are run, they have to take up space in memory, so that the computer can read and load them quickly. However, compared to our hard disk drives, memory comes in smalle...

So far we've learned how hard our kernel works by handling files, managing file storage, juggling all the different processes running on our computer, and allocating memory. Another important task that our kernel handles is managing input and output. We refer ...

We've covered the kernel's major responsibilities. Now, let's discuss the final major aspect of an operating system, how humans interact with it. This is what we call the userspace. When we interact with an operating system, we want to do certain functions lik...

Imagine this scenario. You're playing your favorite video game and you finally get to the big boss. You spent countless hours finding this boss, neglecting all other responsibilities, like your job, school, even hygiene. That's pretty gross, but I get it. So y...

In this lesson, we're going to learn  how our operating system starts up.  As an IT support specialist,  you'll probably work on lots  of computers that won't start.  It's important to know the steps  and operating system takes,  so yo...

While the most common way to boot a computer is to simply push the power button and allow the normal process to run, there are many other boot options. This reading covers the various methods you can use to boot a computer. Internal method You can create p...

The most common way to boot a computer is to simply push the power button and allow the normal startup process to run. But what happens if the normal startup process becomes corrupted and the computer will not boot? Or maybe you would like to run a computer on...

Some mobile devices are general-purpose computing devices like tablets or smartphones. Other mobile devices like fitness monitors, e-readers, and smartwatches, are designed to do a smaller set of tasks. General-purpose mobile devices generally use a mobile ope...

I'd say when I first started I thought there were two jobs you could do, you could be a sys admin or you could be IT support. But that's completely false. There's like a huge amount of opportunity in IT. You could be specialized in networks. You could be speci...

In the last lesson, you learned how an operating system boots up. It's an important concept to understand since you'll be faced with troubleshooting boot up issues in IT support. Now, we're going to walk through the steps to select and install an operating sys...

Supplemental Reading for Choosing an OS To find out more about which operating system is best for you and your organization, check out the link here.tl;drwindows 10 > win 11 as of 2023do u need ai in your os? use windows 11r u cool?use vanilla os (a linux dis...

Before we start installing our operating system, we need to be familiar with the concept of virtual machines, or VMs. A virtual machine is just a copy of a real machine. Why would you want that? We've been working with physical machines so far, but there are c...

The first operating system we're going to  install is Windows 10 OS.  This is the second latest iteration of  the windows family operating system.  If you buy the software and stores,  it comes in a nifty USB drive.  I have Windows loaded on a USB ...

  Windows 10 and 11 Feature Matrix Windows 10 and 11 are two operating systems IT Professionals work with. This reading describes the differences between them and highlights features that are important to IT. Windows 11 was released more recently and has h...

Now that we've seen how Windows is installed,  let's go ahead and install the Linux operating system.  Remember how I said that Linux has  many different versions of  their operating system called distributions?  There are countless articles that hi...