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Linux Shell 编程

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Linux shell怎么用”=”打印出横线:全选复制放进笔记呢？

Linux shell怎么打印历史记录中最后一次cat命令呢？

Linux grep命令中可以打印出不符合条件行的内容的命令操作是什么呢？

Linux

Linux基础命令---echo打印内容到标准输出

echo echo指令可以输出内容到标准输出，以空白分割字符串，并且后面增加换行。此命令的适用范围：RedHat、RHEL、Ubuntu、CentOS、Fedora。 1、语法echo [-neE] [arg ...] 2、选项列表 -n 输出字符串不换行 -e 处理某些特殊字符 \a 蜂鸣器警报...

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更新时间 2022-09-13 16:39:00

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