First, let us have quick overviews of sessions, windows, and panes before we get into how they fit together. We have mentioned them lightly in different contexts now, but they are crucial to understanding tmux and are worthy of more exploration.
We got a nice taste of sessions back in Chapter 1, Jump Right In, when we named our session tutorial and detached and reattached our session.
Sessions are essentially the base unit in tmux. It can have one or more windows, and a window can be broken into one or more panes.
It may be useful to think of a tmux session like the login process on your computer. Whether you have a computer that is running Windows, Linux, OS X, or Unix, they all support multiple simultaneous logins in some form.
When you log on to your computer, it initiates a new session. You type in your username and password and then hit Enter. You will then arrive at a nice, empty desktop. This is a session on your desktop computer. On this desktop session, you can run...