The u flag sets the permissions for the file owner, g refers to the user group, while o refers to all other users. To remove all existing permissions, set read and write access for the user while allowing read access for all other users, type: chmod u=rw,g=r,o=r file.txt To set file permissions, you’ll use the chmodcommand at the terminal. RELATED: How macOS Catalina's New Security Features Work Setting File Permissions This is related in part to new security features introduced in macOS Catalina, although file access control lists (ACLs) have been a Mac feature since macOS X 10.4 Tiger back in 2005. If the final character is an at sign ( then it signifies that the file or folder has extended file attributes relating to security, giving certain apps (like Finder) persistent file access. rwx means the file can be read, written, and executed.r-x means the file can be read and executed, but not written to.rw- would mean the file can be read and written to, but the file isn’t executable.r- would mean the file can be read, but not written to, and the file isn’t executable.If your icon is for a website, congratulations, you’re done If, however, your icon is for an application, then you have one more step making the ICNS. Here is a view of the icon in the Finder’s Get Info window: Notice how you have a nice circular icon with a transparent background. - would mean no read or write access, and the file isn’t executable. In a few seconds, your icon will appear on the Desktop.Now, you will see a First Aid tab, navigate to the First Aid tab and click on Repair Disk Permission option. Step 2 Now, go to Disk Utilities, and choose your hard disk, it must be listed in the Sidebar. These levels are always shown in that order, so for instance: Step 1 When you are on your desktop, click on an empty area to navigate to Go > Utilities menu.
You’ll see letters here, too, such as r (read), w (write), and x (execute). The first group shows the access levels for the file/folder owner (1), the middle group shows group permissions (2), and the final three shows permissions for any other users (3). Extensive information about your file or folder can be found in the Info window that opens. In a Finder window, you can view and set permissions by right clicking a file or folder and selecting the Get Info option. If you have a SSD you won't have fragmentation.The next nine characters are split into groups of three. The application is represented by the smiling Happy Mac logo icon. Just make sure to do this last if you have a HD vs a SSD. The Microsoft Remote Desktop Connection version 10 program in Macintosh OS offers many advanced features that can enhance your experience with or. I like Drive Genius, there are others but I've found this is one of the better ones. But before you do this make sure you have a good backup! Lastly, you may want to defrag your HD as the table maybe badly fragmented. You may need to run it though a few times to get all of the errors fixed and you still may need to boot up under single user for the desktop to get rebuilt as well.
I would strongly recommend you boot up under an external disk and run Disk Utility to fix both the permissions and the drive. Often when I see this when nothing has been altered the HD's Btree tables need repair.
The other option here is to locate the files and just make new shortcuts. These shortcuts will work even if you have the desktop disabled, some icons not shown, and are hiding the desktop icons on a Mac, but in those cases you will just see the wallpaper background picture rather than any desktop icons of course. If you can't fix the pathing, you'll need to use the Select New Original button to relocate the file. If you see the error you may find fixing the Folder or Volume path easier than fixing all of the discrete shortcuts. Right click the icon and then select Get Info Within the general section note the Original entry see if you can figure out what changed. To fix this you will need to open each shortcut and relink the original file.
This could be caused by moving or renaming the folder or the volume the original file was located. Cannot Change Desktop Icons in Windows 10-What to Do. It appears your shortcuts have lost there linkage back to the original files which is why you are seeing the generic icon vs the discrete icon the app or document would normally have.