Glossary index

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Operating systems

Ethernet Driver

An Ethernet driver is essential software that enables communication between a device and an Ethernet network, facilitating connection to local area networks (LAN). This driver acts as an intermediary…

Operating systems

Eudev

Eudev is a daemon that manages device nodes in the /dev filesystem and handles events related to device detection and configuration in Linux-based operating systems. Its main function is to…

Operating systems

Event-Driven System

An event-driven system is a type of software architecture that reacts to events or state changes rather than following a predetermined sequence of operations. This feature allows the system to be…

Operating systems

Event Loop Delay

Event loop delay refers to the time it takes to process events within a system that uses an event loop to handle multiple tasks asynchronously. This concept is fundamental in programming applications…

Operating systems

Event Notification Driver

An Event Notification Driver is an essential component in the architecture of operating systems and hardware drivers. Its primary function is to manage and send notifications about events generated…

Operating systems

Event Retention

Event retention refers to the policy of maintaining event logs for a specified period, which is crucial for regulatory compliance and security analysis. This practice involves the systematic…

Operating systems

Event Time Policy

The event time policy refers to the rules governing how event time is managed and utilized in stream processing frameworks. This concept is fundamental in stream data processing, as it allows…

Operating systems

Event Time Trigger

An event time trigger is a mechanism that determines when to evaluate a window based on event time. In the context of stream processing frameworks, this concept is fundamental for real-time data…

Data and analytics

Event Time Window

An event time window is a time-based grouping of events that allows processing events within a specific time frame. In the context of event stream processing systems, these windows are fundamental…

Operating systems

Evict

Eviction is a command that removes keys from in-memory data stores according to certain policies.

Operating systems

Eviction

Eviction is the process of removing data from memory to make space for new data. This concept is fundamental in resource management in computer systems, especially in environments where memory is a…

Operating systems

EWMH

EWMH, or 'Extended Window Manager Hints', is a standard designed to improve interoperability between window managers in the X11 system. This set of hints provides applications with information on how…

Operating systems

Exa

Exa is a command-line tool that serves as a modern replacement for the 'ls' command, used in Unix-like systems to list files and directories. Unlike 'ls', Exa offers a range of advanced features that…

Operating systems

ExaGear

ExaGear is an innovative software that allows users to run games designed for Windows on devices operating with Linux and Android systems through an emulation process. This program stands out for its…

Operating systems

ExaGear Strategies

ExaGear Strategies is a version of ExaGear specifically designed to run strategy games on various operating systems including Linux. This software allows users to enjoy a wide range of strategy…

Operating systems

Excess Memory

Excessive memory refers to the amount of memory that has been allocated to an application but is not being effectively utilized. This phenomenon can occur in various programming environments and…

Operating systems

exec

The 'exec' command in the context of Unix-like operating systems refers to the ability to run a command or script without creating a new shell process. This command replaces the current shell process…

Operating systems

ExecReload

The 'Reload' command is used in Linux-based operating systems to reload the configuration of a service without needing to completely restart it. This command is especially relevant in the context of…

Operating systems

ExecStart

The 'ExecStart' command refers to the action taken when starting a service in Unix-based operating systems, such as Linux. This command is fundamental in service management, as it defines how and…

Operating systems

ExecStartPost

ExecStartPost refers to the commands that are executed after the main command of a service in operating systems that use systemd as a service manager. This mechanism allows system administrators to…

Operating systems

ExecStartPre

ExecStartPre is a concept that refers to the commands executed before the main command of a service in operating systems that use systemd as a service manager. This mechanism allows for preparing the…

Operating systems

ExecStopPost

ExecStopPost refers to the commands that are automatically executed after a service has been stopped in operating systems that use systemd as a service manager. This mechanism allows system…

Operating systems

Executable File

An executable file is a type of file that contains a program that can be directly executed by the operating system. These files are fundamental to the operation of any computer system, as they allow…

Operating systems

Executable files

Executable files are those that contain instructions that an operating system can directly execute as a program. These files typically have specific extensions that indicate their nature, such as…