A Run text box appears.
How do I find my device’s MAC address?
In the Run text box, type cmd. A command prompt displays. A network box displays. Select WiFi. Android: Setting menus differ for each device. Get information, documentation, videos and more for your specific product. Ask the Community.
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Need to Contact Support? See Support Options. Contact Support. Select a product or category below for specific instructions. N Routers. These options are explained in the description section:. When you look at a man page, you do so in Terminal through another command, called a pager ; by default, this is the less command.
What a pager does is allow you to view content in Terminal page by page, or line by line. There are two ways to do this with less.
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If you press Return, the page will move down one line. And if you press the spacebar, the page will scroll one page the number of lines visible in your Terminal window. Try it on your Mac: Open Terminal, type man ls , then press Return. Depending on your Terminal settings, you may be able to scroll the Terminal window. If not, press Control-B to go back a page, and the spacebar, or Control-F, to go forward a page. Press Command-O, enter the name of a command, and click Open.
ManOpen is especially useful because you can choose specific sections to view from a popup menu, and you can navigate more easily than in Terminal with the less command. But you can also find man pages on the Web. Apple has a documentation repository with man pages here. All commands have three parts: the utility, the flags, and the arguments. The utility always comes first. The other two parts have different rules, depending on which command you are using: you may not have to use any flags or arguments at all. Here is a sample command that you might type into a command line:.
This command uses the ls utility, which is used to list the contents of directories. We use the -l flag to indicate to the utility that we want more information than it usually provides, and so it should show us the directory contents in a long format -l is short for "long". Last, the utility wants to know, "But which directory should I list the contents of?
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In all cases, to submit a command to the computer, press enter. Now, let's start learning some useful commands! Here is a list of basic utilities that you will use on a regular basis. Get information for how to use any utility. Press the up and down arrows to scroll through the documentation. Press Q to quit and go back to the command line. If no directory is specified, lists the contents of the current working directory.
Use the -l flag to get more information.
What Is the Command Line?
In effect, moves you around the computer. If you ever get lost in the computer, run this command to get a trail of breadcrumbs all the way down from the top level of the computer to see where you are. Displays the contents of a file. Press the up and down arrows to scroll though the file. Deletes a file permanently : there is no way to get it back.
Be careful when using this command!
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A note about using sudo : The computer has a few built-in safety restraints to prevent normal users from doing bad things, like deleting critical files. The super user has no such restraints. Note that the super user is not necessarily bad: you must use sudo to install programs and do anything else that affects how your computer runs. Lets start by using ls to look around your computer.
Try typing ls into the command line and pressing enter. The computer will reply with a list of names. These names are the names of files and folders in the directory you are currently in. Whenever you open up a new command line, you start in your home directory, which is the directory that generally contains all of your files.
Well, that's nice. But what if we want to go someplace else? That's what cd is for. 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. So where do we go from here?