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Path environment variable

2022-04-23 16:47:00 【Hair loss programmer】

path Usefulness ：

tell cmd Where to execute the command , Otherwise, prompt command not found

System variables Path If it is a long strip after opening , Just put C:\Windows\system32 On the first line , It's normal

Inside %xxxx% Represents a variable , Where other system variables are defined , such as

I met one in this place bug,vue ui When I was wrong ,Error: spawn cmd, hold C:\Windows\system32 Just put it on the first line

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