Linux system consists of the following parts: Kernel: manages hardware resources and provides an interface for interacting with hardware. Application: Provides functionality for user interaction and performing specific tasks. File system: stores files and directories, and manages file permissions and access control. Shell: Allows users to interact with the system and run commands and create scripts. Desktop environment: Provides a graphical user interface to manage programs, files, and settings.
Components and functions of the Linux system
Linux is a free and open source operating system that consists of a kernel and A set of applications.
The kernel
- is responsible for managing hardware resources such as CPU, memory and storage.
- Provides an interface for interacting with hardware, allowing applications to access hardware functions.
- Scheduling processes and allocating resources to ensure that all processes have a chance to run.
Application
- Provides functionality for user interaction and performance of specific tasks.
- For example, web browsers, office suites, image editors, and command line utilities.
File system
- A hierarchical structure that organizes and stores files and directories.
- Provides file permission management and access control.
- Linux supports multiple file systems, such as EXT4 and Btrfs.
Shell
- A command interpreter that allows the user to interact with the system.
- Provides an interface that allows users to run commands, create scripts and process files.
- Common shells include Bash, Zsh and Tcsh.
Desktop environment
- Provides a graphical user interface (GUI) to manage programs, files, and settings.
- Includes desktop, taskbar, file manager and window manager.
- For example, GNOME, KDE and Xfce.
Drivers
- Allow the operating system to communicate with specific hardware devices.
- Provides the functions and features of hardware devices.
- For example, display card driver, printer driver and network card driver.
Other components
-
init system: Manage the system startup and shutdown process.
-
Daemon process: A program that runs in the background to perform specific tasks, such as a web server or database.
-
Library: Contains shared code and functionality for use by applications.
The above is the detailed content of What are the components and functions of a linux system. For more information, please follow other related articles on the PHP Chinese website!
Statement:The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn