linux shell中不显示路径，使用起来很不方便。
如何更改外壳以显示路径？
进行如下操作：
vi ~/.bash_profile
（不管.bash_profile文件有多少，也可以自己新建一个）
在末尾添加：
导出 PS1='[\u@\h \W]\$'
然后执行
源?/ .bash_profile
这样shell可以显示路径
(The path is not displayed in the Linux shell, which is very inconvenient to use.
How do I change the shell to show the path?
Do the following:
vi ~/. bash_ profile
(no matter how many. Bash_profile files there are, you can also create one by yourself)
Add at the end:
Export PS1 = '[\ u @ \ h \ w] \ $'
Then execute
Source? / bash_ profile
This allows the shell to display the path
)
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