linux运维编程实战脚本

跟老男孩学Linux运维：Shell编程实战2.3 Shell脚本在Linux运维工作中的地位

2.3 Shell脚本在Linux运维工作中的地位 Shell脚本语言很适合用于处理纯文本类型的数据，而Linux系统中几乎所有的配置文件、日志文件（如NFS、Rsync、Httpd、Nginx、LVS、MySQL等），以及绝大多数的启动文件都是纯文本类型的文件。...

跟老男孩学Linux运维：Shell编程实战2.4 脚本语言的种类

2.4 脚本语言的种类 2.4.1 Shell脚本语言的种类 Shell脚本语言是弱类型语言（无须定义变量的类型即可使用），在Unix/Linux中主要有两大类Shell：一类是Bourne shell，另一类是C shell。1.?Bourne shell Bourne shell又包括Bourne shell（sh...

跟老男孩学Linux运维：Shell编程实战2.6 Shell脚本的建立和执行

不过这种用法不是很常见，但有时也可以有出奇制胜的效果，例如：不用循环语句来实现精简开机自启动服务的案例，就是通过将所有字符串拼接为命令的形式，然后经由管道交给bash操作的案例（见《跟老男孩学习Linux运维：Web集群实战》第3章）...

跟老男孩学Linux运维：Shell编程实战2.2 什么是Shell脚本

2.2 什么是Shell脚本理解了Shell之后，再理解Shell脚本就简单了。当命令或程序语句不在命令行下执行，而是通过一个程序文件来执行时，该程序就被称为Shell脚本。如果在Shell脚本里内置了很多条命令、语句及循环控制，然后将这些命令一次性...

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