Mac OS X includes a great terminal editor, but among the handful of alternatives is one that easily rises above them all. iTerm2 is our pick for the best terminal emulator for Mac OS X thanks to ...

Although it is often simplest to add a new user to a computer running Mac OS X using the built-in graphical interface, you may prefer to do so from a Terminal window, perhaps because you are ...

The ls command (or list command), simply typed ls into the Terminal, lists the contents of the working directory (Figure B).

But root access–even if you don’t enable the root account–is risky. To see where you can do the most damage when you gain root access, enter this command in Terminal: ls /. You’ll see the ...