Mac disk permissions repair What is the use of how to repair disk permissions

Many Mac users will always encounter some files with incorrect disk permissions in daily operations, sometimes the access rights in the system font folder are not normal or given other When the user group has the wrong permissions, it will even cause all the text displayed in the system to become garbled. So what is the reason for these situations? The following Xixi will give you a detailed explanation of the problem of disk permissions.

Why do I need to perform disk permission repair?

In the daily operation of the user, and during the installation and uninstallation of some applications or plugins, it is inevitable that some specific files and The modification of the folder. For example, when you install or uninstall some applications (usually the installation package in pkg format), some files that are user-writable will be changed to a state that can be written by anyone or not written by everyone, resulting in future The file is inaccessible or rewritten by an application that does not have permission. In most cases, these abnormal permissions will not cause any inconvenience to your daily use, but occasionally cause an application or system anomaly.

Because different files and folders have different permissions, some may affect you, but not. In your daily application installation and uninstall process, permissions will inevitably occur. Change, so occasionally fixing the disk permissions is quite necessary. You can consider adding this task to your system's non-scheduled maintenance list, but be careful not to expect disk permissions to be made to make your Mac run faster, as this usually has little effect.

Finally, no matter what version of the system you are running, even Yosemite, Mavericks, Mountain Lion or older Tiger, Snow Leopard, etc., no matter the normal system, repair system, single user mode The methods and steps for repairing disk permissions are the same.

How to fix disk permissions:

Use the disk tool that comes with the system to repair disk permissions

This step will repair all the abnormal files and folders found in the target disk. Permissions, whether you are using a bootable disk, a removable hard drive or something else.

First open the Disk Utility application that comes with the system, in the _/Applications/Utilities_ folder

Select the target disk to be repaired in the left menu bar< Br>

Select the “Repair Disk Permissions” button on the right side, wait for the repair progress to be completed, and the speed of repair according to the size of the hard disk is also uncertain

In the above window you will be able to tell you all the files or folders whose permissions are abnormal. The general information is similar to the following:

Permissions differ on “Applications/.DS_Store”; should be -rw-rw-r– ; they are -rw-r–r– Repaired “Applications/.DS_Store” Group differs on “Library/Printers/PPDs/Contents/Resources”; should be 80; group is 0. Repaired “Library/Printers/PPDs”

When you're done, you'll see a message for "Permissions repair complete", if you have multiple hard drives on your Mac, you'll need to do one for each hard drive. Permission repair

Use disk tools for permission verification

In fact, the steps for permission verification are not required, because in the process of your repair, you will first verify the files and files with errors. The folder will be repaired, and if it is verified first, the second step will still need to be verified again. But if you just want to know that there are problems with the files and don't want to fix them, you can use this (but I think there should be no such thing). The steps are the same as before, but the last click is the "Verify Disk Permissions" button. The prompt message will only tell you where the error occurred and what permissions you should have, without actually fixing the permissions on the files and folders.