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文章 2024-03-26 来自：开发者社区

【Shell 编程指南日期命令】Date命令：显示与设置系统时间和日期

Linux Date命令：显示与设置系统时间和日期简介 Linux中的date命令用于显示和设置系统的时间和日期。这个命令具有多种选项和参数，使其成为一个非常强大和灵活的工具。 “Unix is simple. It just takes a genius to understand its simplicity.” — Dennis Ritchie ...

文章 2022-11-26 来自：开发者社区

Linux:shell编程2(内含：1.设置环境变量+2.位置参数变量+3.预定义变量+运算符+4.条件判断)

写在开头：小技巧：除了赋值不加空格，其他的，例如是[ ] ()等都需要空格！1.设置环境变量：注：类似于C语言全局变量案例1：在/etc/profile文件中定义TOMCAT_HOME环境变量。解释：输入echo $TOMCAT_HOME没有输出，原因是没有输入命令指令source /etc/profile定义环境变量后，就可以在其他文件中使用echo TOMCAT_HOME来拿出 /opt/t....

Linux:shell编程2(内含：1.设置环境变量+2.位置参数变量+3.预定义变量+运算符+4.条件判断)

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更新时间 2024-04-30 14:48:24

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