Periodically, a problem may occur with a given system setting, or some application, and the common remedy of removing a seemingly obvious preferences "plist" file may not reset the setting. In OS X, ...

Of all the "under the hood" components of Mac OS X, my personal favorite is preferences files. Why? For starters, they are important. They potentially affect every application you use, from the Finder ...

Property lists are essentially XML files with a .plist extension. Here's how to edit them using the command line in the macOS Terminal app. XML is an open data format which gained popularity in the ...

Safari crashes on launch. Mail quits when you try to send a message. What to do? Most savvy Mac users will delete the application’s preferences file, which stores changes made to the program’s default ...

Now that 10.14 has made it impractical to edit /System/Library/User Template to preconfigure new users I'm looking for alternatives. The easiest thing to do would seem to be to write a huge bash ...