The nslookup command can be used to check that the correct DNS server is being hit.
Flush DNS changes
This command forces any DNS changes to propagate to severs despite DNS caching.
List all files in current directory
Below is an example of a command that lists all files in a given directory and stores them into a text file named LlistOfFiles.txt:
dir /s /b /o:gn >listOfFiles.txt
List all environment variables
Kill all instances of running NodeJS.exe
taskkill /im node.exe /F