![]() Experiment with creating a file in Atom and using ls in the terminal to see it.Return to your terminal and enter which atom.Click the Atom menu in the top left corner.Open Atom ( command-spacebar for spotlight, type Atom, and hit enter).One of the things you’ll do frequently is open an entire folder (like when working on a project) in your text editor. Try rm -rf sample_directory to remove our previously created sample directory Removing directories is a bit different.then ls and you should see your user folder. ) is a reference to the parent directory of the current directory (one step up the tree). But the period is useful especially with Git which you’ll see soon. ) is a reference to the current directory. You can enter cd ~ from any folder on the system and you’ll jump back to your home directory. The tilde ( ~) is a shortcut for your "home" directory. ![]() Enter cd sample_directory to move into your new directory Go ahead and enter mkdir sample_directory to create a directory Try which ruby to see the full path to your Ruby executable.
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