The Library folder, at the root level of your Mac OS X Lion hard drive, is like a public library; it stores items available to everyone who logs into an account on this Mac. You can find three Library folders on your hard drive: the one at the root level of your OS X disk, a second inside the root-level System folder, and a third in your Home folder.
Mar 18, 2020 Your Photos library holds all your photos, albums, slideshows, and print projects. If your library is large, and you want to free up storage space on your Mac, turn on iCloud Photo Library and use Optimize Mac Storage, or move your library to an external drive. Before you start, be sure to. Jan 12, 2020 You can access the hidden Library folder without using Terminal, which has the side effect of revealing every hidden file on your Mac. This method will only make the Library folder visible, and only for as long as you keep the Finder window for the Library folder open.
In earlier versions of Mac OS X, you would have seen a folder named Library between the Downloads and Movies folders in your Home folder. But that was then, and this is now. In Mac OS X Lion, the Home Library folder is hidden from view to protect you from yourself.
Ever since Lion (OS X 10.7), Apple has hidden your personal Library folder (/Library) by default. In Lion and Mountain Lion (OS X 10.8), you could make the folder visible, but it required some work. MacMost forum question: How To Share a Photo Library Between 2 Users On a Single iMac? On my new 2019 iMac with 2 user profiles I'd like to have just 1 photo library that each user could access, one user at a time of course. How can I do this without using iCloud?. Nov 09, 2012 The Library folder at the root level of your hard drive is a public ‘library’ of data that is required for all users of the Mac. The Library folder within the System folder is critical for the operation of your Mac. Don’t ever remove, rename or otherwise move this directory in any way. Leave it alone! Feb 19, 2017 Just saw the same issue on a mac running 10.9.5, removing Steam.AppBundle from /Library/Application Support/Steam forced a redownload and fixed the problem. Thought I'd leave it here if someone bumps into a similar situation. Just had this same issue on 10.13.5 deleted the Steam.AppBundle and it seems to have worked.
Leave the /System/Libraryfolder alone. Don’t move, remove, or rename it, or do anything within it. It’s the nerve center of your Mac. In other words, you should never have to touch this third Library folder.
Jul 22, 2011 By the way, this chflags trick works to permanently show the User Library folder in macOS High Sierra and Sierra too, as well as El Capitan and other modern versions of Mac OS X system software. With that said, for most users that simply isn’t necessary because they won’t be accessing the Library directory or its contents enough to make it worthwhile.
Show Library Users Mac
You find a bunch of folders inside the Library folder at root level (the public Library folder). Most of them contain files that you never need to open, move, or delete.
By and large, the public Library subfolder that gets the most use is the Fonts folder, which houses many of the fonts installed on the Mac. For the most part, fonts can be made available in one of two ways:
Users Library Folder Mac
To everyone who uses the Mac: If that’s the case, they’re stored in the Fonts folder.
To a single user: In this case, you place the fonts in the user’s Library folder (the one in the user’s Home folder).
Library Users Mac Os
Some other public Library subfolders that you might use or add to are the iMovie, iTunes, iPhoto, and iDVD folders (where you put plug-ins for those programs); the Scripts folder (which houses AppleScripts accessible to all users); and the Desktop Pictures folder (where you can place pictures to be used as Desktop backgrounds).
Show User Library Mac

Show Library Folder Mac
Leave the “public” Library folder pretty much alone unless you’re using the Fonts folder or know what you’re adding to one of the other folders. Don’t remove, rename, or move any files or folders. Mac OS X uses these items and is very picky about where they’re kept and how they’re named.
Access Users Folder On Mac
If your Mac is set up for multiple users, only users with administrator (admin) privileges can put stuff in the public (root-level) Library folder.