Dos tips

List process and pid
netstat -a -o -b | grep -i '4200'

Script tips

To get the command used to call the batch file (could be foo, ..\foo, c:\bats\foo.bat, etc.)
%0

To get the nth argument passed to the current script
%1: first parameter
%2: second parameter
and so for…

To get the list of all arguments passed to the current script
On Linux system you can get it with $@.
On the windows it is %*.

Add an alias in the current shell:
doskey kubectl=microk8s kubectl $*

Update WSL to the true version and use it:
wsl update
wsl --set-default-version 2

Install a specific version of Ubuntu with WSL:
wsl --install -d Ubuntu-20.04