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3.2.1 Major Applications The Linux kernel can run a wide variety of software across many hardware platforms. A computer can act as a server, which means it primarily handles data on…

3.2 Applications The kernel of the operating system is like an air traffic controller at an airport, and the applications are the airplanes under its control. The kernel decides which program gets which blocks…

3.1.1 Getting to the Command Line The command line interface (CLI) is a simple text input system for entering anything from single-word commands to complicated scripts. Most operating systems have a CLI…

3.1 Navigating the Linux Desktop To be a Linux systems administrator, it is necessary to be comfortable with Linux as a desktop operating system and have proficiency with basic Information…

2.4.2 Embedded Systems Linux started out as something that would only run on a computer like Linus Torvald's: an Intel 386 PC with a specific hard drive controller, but since…

2.4.1 Linux Distributions Red Hat Red Hat started as a simple distribution that introduced the Red Hat Package Manager (RPM). The developer eventually formed a company around it, which tried to…

2.4 Linux Linux users typically obtain an operating system by downloading a distribution. A Linux distribution is a bundle of software, typically comprised of the Linux kernel, utilities, management tools, and…

2.3 Apple macOS Apple makes the macOS operating system, which is partially based on software from the FreeBSD project and has undergone UNIX certification. macOS is well known for being “easy to use”,…

2.2 Microsoft Windows Microsoft offers different versions of its operating system according to the machine’s role: desktop or server? The desktop version of Windows has undergone various naming schemes with the…

2.1.1 Decision Points Role The first decision when specifying any computer system is the machine’s role. Will you be sitting at the console running productivity applications or web browsing? If…