I know I’ve written up telling OS X to show you invisible files, but what if you don’t want to make all invisible files show up, just make one file or folder go invisible, or for that matter, visible. Well, it’s easier than you might think. Apple has bundled a nice little command called chflags into the OS. To use it to hide a file, simply type chflags followed by hidden and then the folder. For example, let’s say you wanted to hide your ~/Library folder. Just run the following to hide it: chflags hidden ~/Library And then let’s say you wanted to unhide it ’cause you realized that it’s…