ArchiveApril 2019

What is shell in Linux?

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In the field of Linux system administration, the shell is the main communication interface between the user and the operating system. Any computer user interacts with the shell at some point. Whether it appears in the form of tiny icons or in the form of a prompt that prompts you to type commands, the shell is the first interface an operating system offers to its users. An operating system kernel...

What is NetBSD

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NetBSD is a complete, free, secure, portable operating system, belonging to the BSD and UNIX family, available on many platforms, from 64-bit Opteron CPUs to desktop computers or embedded systems. Its simple structure and source code quality make it very suitable for production environments, research, or dedicated systems. System resources are available to any user. NetBSD has a packet repository...

Popular internet browsers in 2019

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A browser or browser is a software application that allows users to display text, graphics, video, music and other information on a World Wide Web page but also to communicate with the information provider and even to them. A browser can be defined as a virtual internet navigator that reads scripts and pages written in a wide variety of programming languages. Therefore, instead of the word...

What is VirtualBox

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A virtual machine is a program that emulates a computer inside the user’s operating system. VirtualBox is a full-purpose emulator for x86 hardware. It is the only professional virtualization solution that is also Open Source Software. Virtual Box is an application that aims to help us when we need a computer that meets certain hardware and software specifications quickly and easily. Thus...

What is libvirt

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In order to facilitate the management of virtual machines, an interaction library has been developed in the form of libvirt, a management tool through which we can manage platform virtualization. This tool provides a common programming interface for multiple technologies (KVM, LXC) being used by most open-source Cloud technologies (OpenStack, oVirt). For network administrators, a console called...

What is SlackWare

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Slackware Linux is one of the first Linux distributions. Since the first release, Slackware has maintained and continues using simplicity, stability, and operational safety as the main features. It does not try to rival with Windows, and it is just trying to be the best Linux possible. Among the Slackware followers, there is a word, “when you know Slackware, you know Linux but when you know...

What is XHTML

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XHTML or eXtensible HyperText Markup Language is a markup language that has the same expressive capabilities as HTML, but with a stronger syntax. XHTML can be considered as the cross between HTML and XML in many ways, being a rewriting of HTML in XML. XHTML 1.0 has become a World Wide Web Consortium (W3C) recommendation on January 26, 2000. Practically XHTML is a modern replacement for the older...

What is Blender 3D

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Blender is computer software that is used to work with 3D graphics. The software includes an extensive set of tools for creating 3D modeling, animation, rendering, video processing. Blender has a game engine that allows users to create 3D games with realistic and detailed effects. The software uses Python programming language to create tools and prototypes, game logic system and task automation...

Find and locate commands

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In UNIX operating systems, the find command allows you to search for a file through one or more directories. The search is based on a set of user-specified criteria. Possible criteria include a pattern or a time frame when the file was created or modified. The result of the command is a list of filenames that meet the specified criteria. The find command is used to search for any kind of file...

What is QT

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Qt is an inter-platform computer program development system, which includes a library of control elements, used both to create programs with graphical interface and applications without a graphical interface, such as servers. The most common uses of Qt are KDE, Opera web browser, Google Earth, Skype, Qtopia. The Norwegian company Trolltech produces qt. Starting with version 4, Qt is available for...

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