Once you have ownership, you can set your own permissions. In Windows, an administrator on any Windows PC can override the permissions on a set of files and folders by taking ownership of them. This is important because it means that setting permissions on a file or folder does not guarantee the security of that file or folder. This means you can take ownership of files that don’t belong to your current user account and still access them. The only other occasion where you will need to mess around with folder or file permissions is when you get a Permission Denied error when trying to access data. If you are looking to set permissions in order to share files with others, check out my post on creating a hidden network share or how to share files across computers, tablets and phones. You can even hide an entire drive in Windows if you like. Note: it's probably a better idea to only modify the permissions of the specific files that you want to modify (and not of the whole folder).Of course, there are other alternatives like hiding files and folders using file attributes or by using the command prompt to hide data. a script to do it automatically using the info saved in old_permissions.txt). You should set the permissions manually (unless you create e.g. Note that you're responsible for the changes your perform!Īfter having saved the updates, you can reset the previous permission settings of the folders by looking at the old permissions saved in the file old_permissions.txt.
Īt this point, to modify any of the files under, you can give full permission to all subfolders and files recursively by issuing the command: sudo chmod -R 777 If you have no idea of how permissions work and what the results of the previous command represent, please, have a look at and. Which will save the output of the command ls -l to the file old_permissions.txt in the current directory.
First, take note of the current permissions of all files and folders by issuing the command: ls -lR > old_permissions.txt
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