Feb 26, 2011  Why are there two Applications folders on my Mac. I have an iMac running Snow Leopard. I am its only user and put, by default, new applications into my /Applications folder (i.e., in a top-level folder). Even once this is done, a fairly large System storage amount can be accounted for by looking at your System folder, system Library folder, and user Library folders. Check out Why Is My Mac System Storage So Big? At YouTube for closed captioning and more options. Mar 29, 2019 The path is /Users/name/Library where name is your Mac's username. For most purposes you'll want the user Library described above, but your computer does have two additional Library folders. One is at the root level of your hard drive, and one is in the System folder.

1. Why Does My Mac Freeze
2. Why Does My Mac Have Two Library Folders Free
3. Mac Library Folder Missing
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Photos in your System Photo Library are available in apps like iMovie, Pages, and Keynote. You can also sync them to iOS devices and view them on Apple TV. And if you want to use your own images as your desktop picture or screen saver, the images need to be in your System Photo Library before you can select them in System Preferences.

If you have only one photo library, then it's the System Photo Library. Otherwise, the first photo library that you create or open in Photos will become the System Photo Library. If you have more than one library, you might need to designate a System Photo Library, so other apps can access the photos and videos you want them to use.

Follow these steps to designate a System Photo Library:

1. Quit Photos.
2. Hold down the Option key and open Photos. One of the photo libraries is already designated as YourLibraryName (System Photo Library).
3. Choose the library you want to designate as the System Photo Library.
4. After Photos opens the library, choose Photos > Preferences from the menu bar.
5. Click the General tab.
6. Click the Use as System Photo Library button.
   

If you open a second or different library in the Photos app, and you haven't designated it as the System Photo Library, other applications will use photos from the original System Photo Library. Hold down the Option key when you open Photos to see which library is set as the System Photo Library.

iCloud and the System Photo Library

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You can use iCloud Photos, Shared Albums, and My Photo Stream only with the System Photo Library. If you choose a different library in Photos without designating it as the System Photo Library, the iCloud tab in Photos preferences is disabled:

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If you designate a new library as the System Photo Library and then turn on iCloud Photos, the photos and videos in the new library will merge with those already in your iCloud Photos. If you want to keep the contents of your photo libraries separate, don’t turn on iCloud Photos for more than one library in Photos.

And since the software uses non-destructive editing techniques, your original images are safe while you make changes to a copy. This program can also password protect photos and albums to keep them safe from prying eyes.This program is RAW compatible and works in layers. Frequent backup reminders can be set to help you protect your cherished photos. The editing toolset is very basic, but it does allow you to make color adjustments and offers a handful of automatic edits to make the enhancing process simple. Mac photo library how to delete non favorite photoshop.

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Mac users often freak out when they look at the Storage settings in About This Mac and find that System storage takes up way more space than they think it should. However, if they wait a bit the storage meter will continue to calculate what takes up space and allocate it to iCloud Drive and other things. Even once this is done, a fairly large System storage amount can be accounted for by looking at your System folder, system Library folder, and user Library folders.

Check out Why Is My Mac System Storage So Big? at YouTube for closed captioning and more options.

Video Transcript: This is a question I hear over and over again. Online, on the Apple discussion groups I get asked it. It's asked in other forums all over the place. Why does the system storage on my Mac take up so much space? If you go into About My Mac and then go to Storage, then go and look at the bar for System Storage, sometimes it can look alarmingly big. Well, I'm going to tell you why you probably see it as looking really big, why it's probably not as big as you think, and how to find out what really is taking up the space.First, looking here notice what happens when you first go to Storage. You'll see that you get a kind of general like used and not used. Then after a while it starts to divide up in sections. When it first does this System Storage looks huge. So in my case it's almost 90 GB. A lot of people make the mistake of stopping here. They figure something's wrong and they go to investigate it or not investigate it or complain or whatever. But what they don't do is they don't wait because it's still calculating. It's still going to try and figure some things out. It takes awhile.I'm showing you this in real time. So you can see now it's still not updating, it's still not updating. It's still just shows you that it's at 90 GB in System Storage and leaving you to guess what's wrong. I really think there should be a little message there stating still calculating or something like that. But if you wait long enough eventually it will begin to divide things out. What it's doing there is that it is looking in the system and library folders and it's figuring out what's inside there. If it finds something that belongs in another category it will move it to that other category. But it takes awhile. So if we wait long enough we will see it change.There, it just did. You can see it took a big chunk and it put it into iCloud Drive. So iCloud is actually accounting for a lot of what was previously seen as being System. The thing is that in one of the Library folders is an actual folder that can change the data for iCloud Drive files and other things. So it sees that as being part of the System folder. It reports that back. As it gets more information about what's in the System folder it says, ah I can break this out and put it in another category. Now even though 50 GB of System Storage is now allocated to iCloud Drive, 40 GB still seems too big, right. So you want to investigate. Now unfortunately if you go to Manage and you look you're just going to be told the same thing. There's a lot taken up by System Storage. But you have complete control to be able to look in the folders on your Mac and figure out what's what. So why not do that?Now I happen to know that System Storage is going to be in both the System folder and the Library folder. So the first place I want to look is at the computer level and look at the System folder and use Command i to get info and then see how big that is. Then do the same thing with the Library folder. Using that I can account for half of System Storage. But only half. So where is the other half? Well, there are two Library folders. There's a Library folder for the system and there's also a Library folder for each user. I go into my User Library folder and you can get to there by going to the Go menu. You won't see Library there initially but if you hold the Option key down on your keyboard the Library appears. You can go to the Library folder. Looking in the Library folder I can see that it's huge. Also I can see that there is a folder in there that is the iCloud Drive data I saw before. But also other folders that are taking up lots of space as well. I can look in those and get an idea of what it's being used for. It's being used for cache files. It's being used to cache my iCloud Photo Library so I have some of the photo images there. It's being used to cache files, being used to cache things for Safari. It all seems accounted for and it's all being really well used because I have this space on my drive so my Mac knows that it should use it to try to speed up my experience. If I was shorter on space so I didn't have much space on my drive it wouldn't use so much. But since I have that space it's using it very wisely to give me a better computing experience on my Mac. That accounts for all of the System Storage space. There's mystery there. It's all accounted for and it all makes sense.

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