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.
Migrating to Linux: Installing Software
The typical approach to get software installed on your computer is to get it from a vendor and run the install program. With Linux there is a central repository of software. Just about any program you might want will be in a list of available packages that you can install. More ...
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 ...
What Is the Android Operating System?
Google's Android operating system is a version of Linux customized for mobile devices, developed by the company Android Inc., which was purchased by Google. It has gone through many updates, each version give the name of a different dessert. More ...
Virtualization Technology an Emerging Technology
Virtualization involves a physical resource being shared amoung multiple virtual resources. For example multiple virtual machines can run on the same physical host, with each virtual machine sharing the resources of the host. Virtualization represents a huge monetary savings opportunity for business. More ...
Welcome to the world of Knoppix
Knoppix is a bootable CD with a collection of GNU/Linux software, automatic hardware detection, and support for many graphics cards, sound cards, SCSI and USB devices and other peripherals. It is not necessary to install anything on a hard disk. More ...
Bootloaders In Linux
A boot loader is a program that controls the the initial sequence of operations performed in the process of starting the Operating System when the computer is switched on. 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 ...
Linux Security Basics: How to Encrypt and Sign Files with GnuPG
Linux comes with the GNU Privacy Guard (GnuPG or GPG) encryption and authentication utility. With GnuPG, you can create your public and private key pair on your Linux system, encrypt files with your key, and digitally sign a message. More ...
What is Bash?
A shell is a computer program which exposes an operating systems services to a human user or other program. It normally uses a command-line interface, but may have a graphical user interface. It is called a shell because it is the outermost layer around the operating system. More ...
Tips for top: Monitoring CPU load on Linux
The top program provides a dynamic real-time view of a running system. It can display system summary information as well as a list of processes or threads currently being managed by the Linux kernel. You can open the Terminal either through the system Dash or the Ctrl+Alt+T shortcut. 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 ...
What is Linux?
Linux is an operating system that was not created by a corporation or by someone out to make money. The Linux core was created by Linus Torvalds who wanted to create a Unix-like system that would work on home computers. More ...
What is Ubuntu?
Ubuntu is a completely free, easy-to-use, and popular Linux distribution that is geared toward the desktop user and is designed to be user friendly. 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 ...
