If you are using SSH to access a command shell on a remote system and you would like to temporarily return to a shell on your local system, there is an easy way to do so.
Simply type a tilda (“~”) and control-z.
This will place your SSH session into the background. You will be in a shell on your local system.
You can get the job number of the SSH session with:
Then, to return to the remote session (assuming that the job number you saw when you entered the above command was “1”), enter:
Note that the remote shell will not print the prompt, press enter once to see the remote session prompt again.