Raspberry Pi 400 PC in a Keyboard Raspberry Pi 400 takes the same components as Raspberry Pi 4, including the system-on-chip and memory and puts them in a compact keyboard.
Levels and Layers of Abstraction in a Linux System
We can use abstraction to split computing systems into components to make things easier to understand, but it doesn't work without organization. We arrange components into layers or levels. A layer or level is a classification (or grouping) of a component according to where that component sits between the user and the hardware. More ...
Understanding the Linux Boot Process
In order to troubleshoot a Linux system that fails to boot, it is important to understand the boot process. Then we can identify at which stage of the booting sequence the failure occurred. More ...
How to Protect Files and Directories in Linux
In Linux, you can protect the files through file ownership and the permission settings that control who can read, write, or execute the file. More ...
Linux su vs sudo: What's the Difference?
A comparison of the su and sudo Linux commands for escalating privileges for non-root users. More ...
Commands to Display Your Linux Computer's Hardware Information
Get the details on the hardware inside your Linux computer from the command line. More ...
What is Bash?
A shell is a terminal application used to interface with an operating system using written commands. Bash is a shell for and has been ported to Windows. Bash an acronym for Bourne Again Shell because it is an enhanced version of the Bourne shell distributed with Linux. Bash is released under the GNU General Public License (GPL). More ...
Understanding Linux Filesystems: Ext4 and Beyond
Learn the history of ext4, including what's different from ext3 and the other filesystems that came before it. More ...
View Your Linux Server's Network Connections With Netstat
Netstat is a command-line network utility that displays network connections, routing tables, and a number of network interfaces, and network protocol statistics. This artilce shows how to view Your Linux Server's Network Connections With Netstat. More ...
Looking at the Android Operating System
The Android operating system is actually an offshoot of the Linux operating system. Since its inception, however, Android has developed into a robust, independent operating system designed for mobile devices. More ...
Set Up a Minimal Server on a Raspberry Pi
The Raspberry Pi is a small, single-board computer that is perfect for computer projects, but a Raspberry Pi can also be used as a web server on your main local network or the internet. This step-by-step guide shows you how. More ...
Linux Installation CDs vs. Linux "Live" CDs
You need to learn how to use Linux. And the best way to get Linux training is to work with it and get real, practical Linux experience. There are lots of different ways to get Linux, and lots of different versions of Linux to choose from! More ...
Protect Your Android Device From Malware
The growth rate of mobile devices continues to soar. Android is the leading operating system for mobile devices. Cybercriminals have intensified their efforts to hack into Android devices. More ...
Working With Files in Linux
With the availability of OpenOffice, a free Open Source version of Microsoft Office which includes a Word compatible word processor, an Excel compatible spreadsheet, and a PowerPoint compatible presentation application, you no longer need to use Microsoft Windows. More ...
An introduction to the Linux Boot and Startup Processes
Ever wondered what it takes to get your system ready to run applications? Here's what is going on under the hood. More ...
