Switching between stacks

[anandhuh1234]

I have created and configured two stacks

 llama stack build --template local --name dev1
 llama stack configure dev1

 llama stack build --template local --name dev2
 llama stack configure dev2

And it is running in the port 8090.

llama stack run dev1 --port 8090 --disable-ipv6 

How to swtich to dev2 to run on the same port? I am trying to automate switching between stacks in linux.