An internal command is available in Windows and usually works from Windows Terminal or Command Prompt. External commands, on the other hand, are not dependent on system variables or the OS.

This command will show the installed version of Node.js if the PATH is set correctly. How to Fix the 'npm' is not recognized as an internal or external command Error ...

If PIP is not recognized as an internal or external command when trying to install Python libraries here are some suggestions to help you.

One of the computers here is giving this message when trying to ftp at the command line. It's running a fresh install of Windows NT4 sp6a. I've checked and the path in environmental variables is ...