When writing commands and paths in Terminal, almost everything is case sensitive: This means that you need to remember to properly capitalize "Dock" when referring to the Dock, or OS X won't understand your command. You can use Terminal to get direct access to your files without using the Finder.
To do so, you build something called a path. Paths look similar in some ways to website sub-directories, and follow the structure of your folders. Paths take two forms: absolute paths and relative paths. Relative paths are defined based on where you've already navigated to, and represented by ". You can then get to your Utilities folder by typing ". To actually put all this path knowledge to use, you'll need the Terminal commands for displaying and changing files.
So if I were just to type "ls" in Terminal, it would display the contents of my user directory:. You can optionally add an absolute or relative or path if you want to view a different directories. This won't change your current working directory, but it'll let you view other directories on your hard drive. You can add options to view more information about that directory. The options for "ls" include:.
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When typed into terminal, it will print the full path of your cwd. This is super useful if you want to try a cool Terminal trick you found online, but aren't sure what those commands actually do. For instance, typing "man ls" will get you information on the "ls" command, which lists directory contents. You can use it to do things like disable transparency in the menu bar, always show your scroll bars, change trackpad behavior, and much much more.
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You'll usually see this paired with either "write" and a string, as with this:. This is also another way to force quit misbehaving apps or processes if your Force Quit menu isn't behaving. Remember, this command and its target are case sensitive. Unfortunately, certain apps don't play well with aliases. Renew dhcp leases:. Renew a dhcp lease in a script:. Configure a manual static ip address:. Configure the dns servers for a given network interface:. Obtain the dns servers used on the Wi-Fi interface:.
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Stop the application layer firewall:. Start the application layer firewall:.
Allow an app to communicate outside the system through the application layer firewall:. See the routing table of a Mac:. Add a route so that traffic for Log bonjour traffic at the packet level:. Stop Bonjour:. Start Bojour:. Put a delay in your pings:. Ping the hostname 5 times and then stop the ping:. Flood ping the host:. Set the packet size during your ping:.
Customize the source IP during your ping:. View disk performance:. Get information about the airport connection on your system:. Scan the available Wireless networks:. Trace the path packets go through:. Trace the routes without looking up names:.source link
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Trace a route in debug mode:. View information on all sockets:. View network information for ipv View per protocol network statistics:. View the statistics for a specific network protocol:. Show statistics for network interfaces:.
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Then copy and paste the second line of the command in Terminal and hit enter. By the way, you can edit the command right inside the terminal or in any other text editor. Just to help you a little bit more, the third line of the command is what I used for changing the naming scheme for my screenshots. Personally, I like to keep my Dock hidden. Not only it gives me a little bit of extra screen real estate, it also helps me to keep my desktop clean which I like.
That said, there is one problem with keeping the Dock Hidden. When you move your cursor to the edge of the screen to call up your Dock, it just takes too much time to pop up. The first command will kill the animation speed and make the Dock reappear in an instant. Now, remember that when you enter any of these two commands and hit enter, there will a microsecond when your screen will go black and come back to life again. There is nothing to fear here, as it happens because we are killing the dock to apply the effect.
Another useful Terminal command that has to do with macOS Dock is the ability to put spacers inside Dock. Spacers are really useful if you keep a ton of the apps on your Dock and have to find the apps that you are looking for.
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Spacers give you an ability to easily organize Dock by app types. For example, in the picture below, you can see that my browsers, text editors, image editors, and video editing apps are organized using spacers. The cluster of apps helps me quickly find the app that I am looking for. One thing to remember here is that one command line equals to one spacer on your dock.
So, if you want more than one, just paste the code multiple times in Terminal. If you want more spacers, you can just repeat the above process. However, if you would like to remove a spacer, all you need to is to click and hold the spacer and drag it out to remove it. In this case, the Terminal command which I am mentioning here comes in very handy. The command makes the hidden apps go a little translucent thereby easily allowing you to identify the hidden apps.
The third and the fourth command are to make things go back to the way it was. Did you know that macOS by default looks for app updates on a weekly basis? While this might not matter to most people, I for one want to get the updates as soon as they are released from Apple or the app developers. SoftwareUpdate ScheduleFrequency -int 1. You know what to do to enable that by now right? So, in the case of the above command, macOS will look for update everyday as we set it to 1. If you want to change the settings back to default, just replace the number 1 with 7 and your Mac will look for the updates every 7 day which is the default setting.