CMD command

cmd:command（ command ） It means , That is to say cmd The input instructions of the window are all commands to the computer

node -v   see node edition

cd..  Back to parent directory

cd../../../ Multilevel command

cd Folder name     Enter folder   

Press tab It will intelligently help you find the corresponding eligible folders or files , Press enter during matching

node Folder name   Carry out orders

cls  Clear screen command

ctrl+c  interrupt CMD command  

If our file directory level is deep , Every time I go cd perhaps cd.. It's too expensive , At this time, we can use the following command instead

Hold down “shift” The key doesn't let go , Right click Then choose “ Open here Powershell window ”

Powershell Can meet most of our needs , such as node Commands are supported

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Not all exe The program can be in cmd Execution in command , If you want to implement it, you must “ environment variable ” Configure the corresponding exe Program file address