Environment variable in WINDOWS

gistfile1.txt

To Change "Enviroment variable" in Windows,

  if number
    In Command Prompt: set PORT=5000
    In Power Shell: $env:PORT=5000  

  if string
    In Command Prompt: set NODE_ENV=prod
    In Power Shell: $env:NODE_ENV='prod'

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To check "Environment variable" in Windows

In Command Prompt: echo %PORT%
In Power Shell: $env:PORT  

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for vs code deafult terminal use power shell command