File system permissions are nothing magical and it can be (and is) entirely normal for the permissions of a file to change over its lifetime. It's often treated as some sort of magical voodoo cure-all, or curse, depending on who is posting. If you don't want to read all of this, just jump down to the last paragraph or two at the bottom of this post.įirst, a quick aside: as a unix sysadmin with nearly 30 years of experience under my belt, it's *extremely* painful to read posts in Mac support forums about "repairing permissions". If you don't mind, I'm going to go on a bit of rant here about repair permissions (mostly in response to the rather alarmist post by Robert_James_The_Third). Meaning printer or gutenprint drivers did something, hacked in and now you need to do clean install because your mac is hijacked by trojans. Not any other app using repair permissions.
It talks about disk permissions function.
#Gutenprint for all apps mac os x
The Repair Disk Permissions function-the process that actually performs the task of repairing permissions-examines certain files and folders on your Mac’s hard drive to see if their current permissions settings are what Mac OS X expects them to be if discrepancies are found, the offending permissions are changed to match the expected settings. If permissions on particular files are “incorrect”-i.e., not what Mac OS X expects them to be or not what they need to be for your Mac’s normal operation-you can experience problems when the operating system tries to access or modify those files. But permissions also determine which items the operating system-or specific parts of it-can access and modify, and which files are accessible by applications. For example, permissions dictate whether or not a particular user can open and edit a particular file. Every file and folder on a Mac OS X hard drive has a set of permissions -settings that determine which user(s) have access to each item, and exactly what that access is.
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