Glossary index

Technology, science and the universe

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Operating systems

Ext2

Ext2, or Second Extended File System, is a file system developed for the Linux kernel in 1993. It was designed as an improvement over the ext file system, offering advanced features that made it more…

Operating systems

Ext3

Ext3, or Third Extended File System, is an improved version of the Ext2 file system, designed for various operating systems, including Linux-based ones. Introduced in 2001, Ext3 is characterized by…

Operating systems

Ext4

Ext4, or Fourth Extended Filesystem, is a journaling file system designed for modern operating systems. It represents a significant evolution from its predecessor, Ext3, offering improvements in…

Cybersecurity

Extended Access Control List (ACL)

An Extended Access Control List (ACL) is a set of rules that control the flow of traffic in a network, allowing or denying the passage of data packets based on specific criteria. Unlike standard…

Networking and telecommunications

Extended Community

The Extended Community is an attribute of the Border Gateway Protocol (BGP) that allows additional information to be attached to routes. This attribute is fundamental for managing routing policies in…

Data and analytics

Extended Data Visualization

Extended Data Visualization is an approach that enhances traditional data visualization techniques by incorporating additional context or interactivity. This method allows users not only to observe…

Operating systems

Extended File System (ext)

The Extended File System (ext) is a type of file system primarily used in Linux-based operating systems, such as Linux distributions. Its design allows for the efficient handling of large files and…

Business and technology management

Extended Priority Scheduling

Extended Priority Scheduling is a process management algorithm that expands the concept of priority scheduling by incorporating additional factors into decision-making. In this approach, each process…

Graphics, games and extended reality

Extended Reality

Extended Reality (XR) is an umbrella term that encompasses immersive technologies such as augmented reality (AR), virtual reality (VR), and mixed reality (MR). These technologies allow users to…

Networking and telecommunications

Extender

A Wi-Fi extender is a device designed to increase the coverage area of a wireless network. Its main function is to capture the signal from an existing router or access point and retransmit it…

Software development

Extends

The keyword 'extends' in TypeScript is used to create a subclass from a parent class, allowing for the inheritance of properties and methods. This feature is fundamental in object-oriented…

Software development

Extensibility

Extensibility refers to the ability of a system to be expanded with additional features or functionalities. This concept is fundamental in software and system design, as it allows developers and…

Software development

Extensible

Extensible refers to the ability of a system, software, or technology to be expanded or modified without the need to rewrite its underlying structure. This feature is fundamental in modern software…

Cybersecurity

Extensible Firewall

An extensible firewall is a network security system that allows the addition of features or additional modules to enhance its functionality. Unlike traditional firewalls, which typically have a fixed…

Hardware, electronics and robotics

Extensible Firmware Interface (EFI)

The Extensible Firmware Interface (EFI) is a specification that defines a software interface between an operating system and platform firmware. Its main goal is to replace the older BIOS (Basic…

Software development

Extensible Markup Language (XML)

The Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. XML allows for hierarchical…

Software development

Extension

An extension is a software component that adds a specific feature to an existing computer program. These extensions allow users to customize and enhance the functionality of applications and…

Software development

Extension API

An Extension API is a set of routines, protocols, and tools that allows developers to create additional applications and functionalities for software platforms. These APIs are specifically designed…

Web and e-commerce

Extension Directory

The Extensions Directory is a centralized platform where users can find and download extensions for various content management systems (CMS). This directory offers a wide variety of extensions that…

Software development

Extension Function

The 'Extension Function' in Kotlin is a concept that allows developers to add new functionalities to existing classes without the need to modify their source code. This is achieved by defining a…

Software development

Extension Library

The PHP Extension Library is a collection of modules and libraries that allows developers to add specific functionalities to the PHP programming language. These extensions can range from performance…

Web and e-commerce

Extension Manager

The Extension Manager is a fundamental tool in content management systems that allows administrators to efficiently manage the extensions installed on their websites. These extensions can include…

Software development

Extension Object

The Extension Object pattern allows adding new functionality to existing objects without modifying their structure. This pattern is particularly useful in systems where flexibility and extensibility…

Web and e-commerce

Extensions

Extensions, also known as plugins or add-ons, are tools that integrate into Content Management Systems (CMS) to enhance and expand their functionality. These extensions allow users to customize their…

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