Most of the reports say that the error appears when they are trying to open the file installer via Terminal. However, this can also happen with any other file. The most common ones are as follows:. It could be because you do not have administrator privileges or because the creator of the file used chmod to lock the file. This error is an indication that your command is attempting to write to a directory that your user account does not own.
You can check the permissions of the file in question by typing in ls -l file. Another reason you are getting this error is that you probably entered an incorrect chmod x or other system commands. Double-click on the file to see if you are able to open it. After that, make copies of any relevant files you have. You might need a backup file later in case anything goes wrong. After all, when you try to force a command to work, there are potential downsides that could mess up your system and result in more problems.
Also, make sure to optimize your Mac using Mac repair app to prevent other issues from popping up. It would also clean up your system to make your processes run smoothly. Once done, restart your Mac and check out our troubleshooting guide. As mentioned earlier, this error usually happens because you do not have sufficient permissions to access the file.
To check whether this is the case:. Sudo may be simple but it is powerful enough to allow you to run commands with administrator privilege.
So, if you have encountered denied commands caused by permission issues, then enter sudo. The sudo command executes the commands that follow its superuser or root privileges. This command should allow you to execute almost any command from the Terminal.
To do this, simply add sudo before the original command. Here are sample commands:. You will be prompted to enter your password if this is your first time using the sudo command. If you are still getting the Zsh permission denied error on your Mac while trying to open a file on macOS Catalina or other versions, fret not. But you don't have to learn all of them at once! Pick a few that integrate well with your workflow and save you the most time.
Once you've mastered these commands, there's still more to learn about the Terminal to enhance your experience with it. For further reading, we've looked at how to customize the Mac Terminal and make it more useful. Do these quick checks on your Android phone to make sure your privacy and security are never compromised.
With his M. Writing and teaching others is always his passion. Method 2. Open a browsing app. The default browser app for iOS devices is Safari, which is a white app with a blue compass icon on it. You can't download setup files or text files to your iPhone, but you can download photos.
Navigate to a photo you wish to save. To do so, tap the bar at the top of the screen, then type in the name of an item you wish to view and tap Go. It should be just below the search that's near the top of the screen. Tap and hold the photo. After a moment, a menu will pop up at the bottom of the screen. Tap Save Image. It's at the top of the pop-up menu.
This will download the photo onto your iPhone. You'll be able to find the photo in your iPhone's Photos app. Method 3. The default Android browser resembles a blue globe, but you can download browsers like Chrome or Firefox from the Google Play Store if you like. Tap the search bar. It's either at the top of the page or in the middle of the page, depending on your browser. Enter the name of an item you wish to download. This might be an HTML document or a picture.
Tap a search result. Doing so will take you to that item's page. If you're searching for images, look for an Images tab somewhere on the search results page.
Tapping it will display only images. Tap and hold the item you wish to download. You should see several buttons appear along the top of the screen, though in some cases a pop-up menu will appear instead. Tap the "Download" button. It's generally a downward-facing arrow. Confirm your email so we can send you our best stories and more guides like this one. Terminal Alternatives on Setapp. Download Free. How To. Hit Return or Enter to search. How to use the Terminal command line in macOS.
Igor Degtiarenko. Writer and blogger at MacPaw, curious just about everything. Did you enjoy this post? Subscribe Now. March 21, Updated: September 13, CleanMyMac X. Free Download. These might also interest you:. December 11, Changing permissions of files and folders is important to prevent unauthorized access to the resources. You can provide permissions for reading, writing, and executing to the owner, a group or others.
To view permissions of a file you can use ls -l command that we talked about in the List Directory commands section. This will list all files and folders in the long format. On the left-most column, you will see a notation as below. There are nine slots with three groups for each type of user; owner, groups, and others. In the first example rw-r--r-- , the owner has read r and write w permissions but has no execute x permission.
Both groups and others only have read r permission. In the second case, drw-r-xr-x , apart from the usual permission sets there is a d which represents that this is a directory. Before moving on to the commands, you have to be familiar with octal permission notation. The Terminal application allows you to set octal notation permissions for files and directories.
The Terminal allows you to view the processes that are currently running on your system, examine their resource usage, and kill them. Gives you a detailed view of every process that is running in the system. Allows you to view information about a specified application. The pipe symbol takes the output from the first command and provides it as an input to the grep function.
Once you find the PID from the ps -ax command, you can kill the process using this command. While all the above tasks could be achieved using GUI applications, the easiest and the most convenient way to configure your network and gather information about your network is through the Terminal.
There are several useful Terminal applications that will help you in this regard. While there are many uses for this command, the most common is to check your IP address. Test whether you can make a connection to the host. The host could be the IP address of a device connected to your network or a web domain. The output is the whois info of the domain.
The information includes basic contact details, Name Servers, and much more.
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