These files don't take up much disk space and you shouldn't put them in the Trash. Each time something is installed from a package file, a 'Bill of Materials' file (whose filename extension is '.bom') is stored in the package's receipt file, which is kept in /Library/Receipts/ in Mac OS X v10.5 and earlier. “Many things you install in Mac OS X are installed from package files (whose filename extension is '.pkg'). They’d need permission to do that.Įvery file and folder on your Mac comes with an associated set of permissions.
They’re designed so that certain programs (or other users if you share your Mac) can’t just dip into a system file they have no business with and modify it. What are disk permissions and why do they need repairing?ĭisk permissions on macOS are used to keep your files secure. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.
