To start a new session, we add new to the tmux command.
To see if any existing sessions are running as your user, you can use has-session.
Appending ls can list all the tmux sessions running as your user.
You can attach to a session with attach.
You can detatch a session with detach.
Global tmux conf is found at:
User specific configuration can be placed in
You can look at some tmux conf examples inside: