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SHELL 超详细基础知识,适合新手小白(一)-程亚庆的博客
source link: https://blog.51cto.com/14469918/2440256
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一.什么是shell?在linux内核与用户直接的解释器程序；通常指/bin/bash;相当于操作系统的“外壳”。二.怎么使用shell?shell的使用方式？1.命令行==交互式；逐条解释执行，效率低2.脚本==非交互式；批量执行，效率高；方便在后台静悄悄地运行。三.怎么切换shell？怎么使用某个特定shell?1.通过usermod,chsh更改登录的shell2.手动执行目标shell程序
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