freebsd is not a Linux system, but a UNIX-like operating system. It is an important branch of Unix developed through BSD, 386BSD and 4.4BSD; FreeBSD provides different levels of support for computer systems of different architectures. .
The operating environment of this tutorial: freebsd13.1 system, Dell G3 computer.
Is freebsd a linux system?
no.
FreeBSD is a UNIX-like operating system, an important branch of Unix developed through BSD, 386BSD and 4.4BSD. FreeBSD provides varying levels of support for computer systems of different architectures. And some of the original BSD UNIX developers later switched to FreeBSD development, making FreeBSD highly compatible with UNIX in terms of internal structure and system API. Due to FreeBSD's loose legal terms, its code has been borrowed by many other systems, including Apple's macOS. It is precisely because of macOS's UNIX compatibility that macOS has obtained the UNIX trademark certification.
FreeBSD supports amd64 (x86_64), .
Development History
The development of FreeBSD began in 1993 and originated from 386BSD. However, due to the legitimacy of the 386BSD source code being questioned and the successive lawsuits between Novell (the copyright holder of UNIX at the time) and Berkeley, FreeBSD released 2.0-RELEASE in January 1995 as the University of California's 4.4BSD-Lite. Release is completely rewritten. There is more history of FreeBSD in the FreeBSD Manual.
Perhaps the most noteworthy aspects of FreeBSD 2.0 are the overhaul of Carnegie Mellon University's Mach Virtual Memory system and the invention of the FreeBSD Ports system. The former is optimized for high-load systems, while the latter establishes a simple and powerful mechanism to maintain third-party software. Many large sites use FreeBSD, but many companies are turning to the Linux platform, and many VPS (virtual personal hosts) also provide FreeBSD space.
FreeBSD 3.0 introduced the ELF binary format and began to support multi-CPU systems (SMP, Symmetric multiprocessing) and 64-bit Alpha platforms. 3.x made a lot of reforms to the system. These measures did not bring benefits at the time, but they were the cornerstone of the success of 4.X.
Note: UNIX is a multi-user and multi-tasking operating system, and Linux is an operating system based on UNIX.
Related recommendations: "Linux Video Tutorial"
The above is the detailed content of Is freebsd a linux system?. For more information, please follow other related articles on the PHP Chinese website!
Maintenance Mode in Linux: A System Administrator's GuideApr 26, 2025 am 12:20 AMMaintenance mode plays a key role in Linux system management, helping to repair, upgrade and configuration changes. 1. Enter maintenance mode. You can select it through the GRUB menu or use the command "sudosystemctlisolaterscue.target". 2. In maintenance mode, you can perform file system repair and system update operations. 3. Advanced usage includes tasks such as resetting the root password. 4. Common errors such as not being able to enter maintenance mode or mount the file system, can be fixed by checking the GRUB configuration and using the fsck command.
Maintenance Mode in Linux: When and Why to Use ItApr 25, 2025 am 12:15 AMThe timing and reasons for using Linux maintenance mode: 1) When the system starts up, 2) When performing major system updates or upgrades, 3) When performing file system maintenance. Maintenance mode provides a safe and controlled environment, ensuring operational safety and efficiency, reducing impact on users, and enhancing system security.
Linux: Essential Commands and OperationsApr 24, 2025 am 12:20 AMIndispensable commands in Linux include: 1.ls: list directory contents; 2.cd: change working directory; 3.mkdir: create a new directory; 4.rm: delete file or directory; 5.cp: copy file or directory; 6.mv: move or rename file or directory. These commands help users manage files and systems efficiently by interacting with the kernel.
Linux Operations: Managing Files, Directories, and PermissionsApr 23, 2025 am 12:19 AMIn Linux, file and directory management uses ls, cd, mkdir, rm, cp, mv commands, and permission management uses chmod, chown, and chgrp commands. 1. File and directory management commands such as ls-l list detailed information, mkdir-p recursively create directories. 2. Permission management commands such as chmod755file set file permissions, chownuserfile changes file owner, and chgrpgroupfile changes file group. These commands are based on file system structure and user and group systems, and operate and control through system calls and metadata.
What is Maintenance Mode in Linux? ExplainedApr 22, 2025 am 12:06 AMMaintenanceModeinLinuxisaspecialbootenvironmentforcriticalsystemmaintenancetasks.Itallowsadministratorstoperformtaskslikeresettingpasswords,repairingfilesystems,andrecoveringfrombootfailuresinaminimalenvironment.ToenterMaintenanceMode,interrupttheboo
Linux: A Deep Dive into Its Fundamental PartsApr 21, 2025 am 12:03 AMThe core components of Linux include kernel, file system, shell, user and kernel space, device drivers, and performance optimization and best practices. 1) The kernel is the core of the system, managing hardware, memory and processes. 2) The file system organizes data and supports multiple types such as ext4, Btrfs and XFS. 3) Shell is the command center for users to interact with the system and supports scripting. 4) Separate user space from kernel space to ensure system stability. 5) The device driver connects the hardware to the operating system. 6) Performance optimization includes tuning system configuration and following best practices.
Linux Architecture: Unveiling the 5 Basic ComponentsApr 20, 2025 am 12:04 AMThe five basic components of the Linux system are: 1. Kernel, 2. System library, 3. System utilities, 4. Graphical user interface, 5. Applications. The kernel manages hardware resources, the system library provides precompiled functions, system utilities are used for system management, the GUI provides visual interaction, and applications use these components to implement functions.
Linux Operations: Utilizing the Maintenance ModeApr 19, 2025 am 12:08 AMLinux maintenance mode can be entered through the GRUB menu. The specific steps are: 1) Select the kernel in the GRUB menu and press 'e' to edit, 2) Add 'single' or '1' at the end of the 'linux' line, 3) Press Ctrl X to start. Maintenance mode provides a secure environment for tasks such as system repair, password reset and system upgrade.
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
WebStorm Mac version
Useful JavaScript development tools
mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),
EditPlus Chinese cracked version
Small size, syntax highlighting, does not support code prompt function
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
SublimeText3 English version
Recommended: Win version, supports code prompts!
