January 2023
Intermediate to advanced
458 pages
14h 16m
Chinese
Content preview from 可编程网络自动化
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28
｜
第
3
章
为此，十分有必要加入本章内容，以期实现以下目标。
•
提供些许
Linux
历史背景知识。
•
简要解释
Linux
发行版的概念。
•
介绍
bash
，这是最流行的
Linux shell
之一。
•
讨论
Linux
联网基础知识。
•
深入了解一些
Linux
高级联网功能。
记住，本章并不打算全面论述
Linux
或
bash
shell
，而是旨在让你在网络自动化与可编程环
境中熟悉并能够上手
Linux
。既然如此，下面先简单地了解一下
Linux
的历史和起源。
3.2
Linux
简史
Linux
的故事由以下两条故事线组成。
第一条故事线始自
20
世纪
80
年代早期
，
Richard Stallman
在当时发起了
GNU
项目，旨在
提供一款自由的类
Unix
操作系统（
a free Unix-like operating
system
）
1
。顺便说一下，
GNU
代表“
GNU
’
s Not Unix
”（
GNU
不是
Unix
）
，这是
Stallman
创造出来的递归缩略语，用
来描述他尝试创造的自由的类
Unix
操作系统
。
Stallman
的
GNU
通用公共许可证（
GNU
General Public License
，
GPL
）就脱胎自
GNU
项目
。尽管
GNU
项目能够创建出众多
Unix
实用工具和应用程序的自由版本，但该项目全新的操作系统内核（称为
GNU Hurd
）始终
停滞不前。
第二条故事线现身自
Linus T
orvalds
在
1991
年创建的
MINIX
克隆版，这标示着
Linux
的萌
芽。由于缺少免费的操作系统内核，
Linus
最初的工作迅速获得了支持 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.