What follows is a step-by-step guide on how to properly use this command on Mac OS X. Directions on how to recursively remove.DS_Store files on Mac OS X: 1. Open up the Terminal application. How to Manually Uninstall a Globally Installed Chrome Extension. Chris Hoffman @chrisbhoffman Updated July 12. Each key (folder) under the Extensions key represents a globally installed Chrome extension. You can check which extension a key contains by opening the key and examining the Path value. Navigate to that folder on our computer. Trusteer’s product certainly raises the bar for malware writers, and forces them to deploy Rapport-specific attacks to plant malicious software on a user’s PC.
A new feature in macOS Sierra allows you to sync files from your desktop and Documents folder to iCloud, so you can access them on all your device. However, if you went to disable this feature, it will delete them from your computer. Fear not, though: those files still exist. They were simply removed from the desktop and Documents folder and left in iCloud Drive. These files are stored in two different locations: On your desktop (or in your Documents folder) and in iCloud Drive. Deleting a file from the desktop or Documents will also delete the copy that’s stored in iCloud Drive.
However, when you disable desktop and Documents iCloud Drive syncing, macOS will automatically remove the files from these two locations and only store them in iCloud Drive. This seems a little backwards to how it should work, so if you’re thinking about disabling this feature, here’s how to get your files back to the desktop and the Documents folder. To access this setting, open up System Preferences and then click on “iCloud”. To the right of “iCloud Drive”, click on “Options”. Uncheck the box next to “Desktop & Documents Folders” You’ll get a pop-up warning you that these files will only be stored in iCloud Drive if you disable desktop and Documents syncing. Go ahead and click “Turn Off”.
Files on your desktop and in your Documents folder will be removed and placed in iCloud Drive, which will automatically open after you click “Turn Off”, so these files aren’t actually disappearing and getting deleted, but are simply being moved into iCloud Drive exclusively. Next, open up the iCloud Drive folder on your Mac and you’ll see two folders called “Desktop” and “Documents”. There are where your files disappeared to. Open each folder up and either drag-and-drop the files to your desktop while holding down the Command key, or copying and pasting them over and then deleting the ones still stored in iCloud Drive. Again, it’s a little weird that macOS automatically removes the files from your desktop and Documents folder and puts them only in iCloud Drive. Most users would think that after disabling iCloud Drive syncing their files would actually get removed from iCloud Drive and moved to their desktop and Documents folder to be stored locally, but it’s actually the other way aroundfor some odd reason.
Mac OS X uses permissions to restrict access to applications, files, and folders. Utilizing this security control can help protect your data from unauthorized access. Whether you use your Mac in public places or share it with other users, you may want to change the permissions on your documents to ensure the confidentiality and integrity of your data. Of course, it can be difficult to strike a balance between convenience and security when using permissions. Users who are too restricted won’t be able to perform basic tasks.
And if you give users too much power, you risk privilege escalation or worse. Use trial and error to find an adequate level of security that everyone can live with. File Permissions Crash Course Every file and folder on your Mac has a configurable set of permissions. Permissions control three types of access: reading, writing, and executing.
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You can mix and match any of the types to grant seven levels of access, as illustrated below. Read, write, and execute permissions overlap to create seven octal permission notations. You’ll learn how to modify permissions using the Info window in the next section. But to really leverage permissions, you need to learn the Unix-based symbolic and octal permission notations, which are hidden beneath the Mac OS X graphical user interface. All of the available permissions are shown in the table below. Permissions No permission Execute Write Write and execute Read Read and execute Read and write Read, write and execute Octal Notation 0 1 2 3 4 5 6 7 Symbolic notation - -x -w- -wx r- r-x rw- rwx The Terminal application allows you to use octal notation to set permissions for the owner, a group, and everyone else. To create a “write only” drop box folder, you could set directory permissions to 622 to give the owner read and write permissions, and the group and everyone else write only permissions.
The three groups of notations are shown below. Symbolic and octal permission notations for owner, group, and everyone. Mac OS X automatically sets permissions to limit a user’s access to system files and other user directories.
If that protection isn’t good enough, you can change permissions to prevent other users from doing stuff like editing your 'Great American Novel,' reading private financial documents, or opening a specific application. How to Modify Permissions with the Info Window The Info window allows you to modify permissions for users, groups, and everyone else. It doesn’t provide the same level of granular control as the chmod command, which you’ll learn about in the next section, but it’s a good way to quickly limit access to a file or folder. Here’s how to modify permissions with the Info window:. Click a file or folder to select it. From the File menu, select Get Info.
One of the windows shown below appears. Click the disclosure triangle next to Sharing & Permissions to display permissions for the selected file or folder. Click the lock and authenticate with an administrator account. Use the menus next to users and groups to change the permissions. When you’re finished, close the Info window. Changes are effective immediately. How to Modify Permissions with chmod For total control over permissions, you can use two Unix commands - ls and chmod - to display permissions and modify them.
Assume you want to find a folder’s current permissions and then change them to 755. This would give you as the owner read, write and execute permissions, and everyone else read and execute permissions. Here’s how to find a folder’s current permissions and change them:.
Open the Terminal application. Type ls –l, and then press Return. The symbolic permissions of the files and folders in your home directory are displayed, as shown below. Type chmod 755 foldername, and then press Return. This changes the permissions of the folder to rwxr-xr-x. When it comes to using the ls and chmod commands, practice makes perfect. Try modifying the permissions on a couple of sample files.
If you need more help, use the man command to display the manual pages for these commands (e.g., man ls). Final Thoughts Permissions as a security control are more effective in some environments than others. Schools and offices have a real need for permissions - there are lots of users, and the information stored on the computers can be valuable. In single-user households, where only one person uses a Mac, convenience might outweigh any perceived security threats. It’s all about finding the right balance for your environment.
Related Articles. Meet Your Macinstructor, the author of, has been a Mac user for over 20 years. A former ghost writer for some of Apple's most notable instructors, Cone founded Macinstruct in 1999, a site with OS X tutorials that boasts hundreds of thousands of unique visitors per month. You can email him at:.