Run command line mac os x
You can just open a Terminal window, copy-paste the following command, and press Enter:.
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Press Enter and then provide your password to install it. By default, it installs Homebrew so you can use the brew command without typing the sudo command and providing your password. Homebrew Cask is now automatically installed as part of Homebrew itself. Now you can get started installing those graphical apps you want. This involves some very simple commands. To search for one, use the following command:. To install an app, run the following command.
Homebrew Cask will automatically download it, extract the app, and install it to your Applications folder. Well, that's nice. But what if we want to go someplace else? That's what cd is for.
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Try entering this command:. Remember, to press enter once you have finished typing. The computer will not reply, but you are now sitting in your Documents directory. You can test this by running ls again: the list of names will be different.
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So where do we go from here? How do we know which of these names are folders that we can go into and which are files that we can't? For that, we need more information from the ls command.
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Let's give it the -F flag to tell us about files and folders. You will notice that this time, some of the names that the computer returns to you will have a slash after them. These names are folders: the rest are files. You can always cd into a folder by running cd with the folder name as an argument, as long as you can see that folder with ls -F. When you're done looking in folders, it's time to go back up. But how? Luckily, every folder contains a hidden link back up. To see these hidden links, we will use the -a flag for ls to see all. There are at least two hidden links in every folder.
In fact, you can give the ls command multiple flags, like so:. If you run this command, you will notice that the. To go back up a folder, you can always run:. Remember that if you ever get lost in the computer, you can run pwd to see where you are. Computer programmers are lazy.
Because they are lazy, they invented some techniques to do more with less work. Here are some of those techniques:.
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Whenever you need to type out a location in an argument for example, in the cd command , you don't have to type out the whole thing: the first few letters will do. Once you've typed three or four letters, press the tab key, and the command line will fill in the rest for you!
For example, if you are in your home directory, and you type cd Desk and then press the tab key, the command line will automatically complete the command to read cd Desktop! You can also use this if you find yourself mistyping folder names: tab autocompletion will always fill it in correctly. The command line has a few shortcuts built in. For example, to see your previously typed command, just press the up button. You can do this to submit the same command multiple times, or to edit a command that you didn't type in quite right.
Remember, when you use the command line, the computer will cheerfully do anything it can for you. If you ask it to do something bad, it will try to do so. Some people take advantage of this fact by telling novice command line users to run commands that do nasty things to your computer. Here are a few to watch out for. These settings do not alter the operation of Terminal, and the xterm settings do not match the behavior of xterm.
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These include the ability to use the standard macOS Help search function to find manual pages and integration with Spotlight. From Wikipedia, the free encyclopedia. For other uses, see Terminal disambiguation. Terminal 2.