![]() Every applications creates a lots of cache - it wouldn’t be surprising to clear up gigabytes of space when cleaning app caches. It includes apps that came with your macOS (like Mail) as well as 3rd-party apps (like Sketch). These cache files created by all the apps that you use on Mac. There are three types of caches you can clean on your Mac: One easy way to keep your Mac running its best is to occasionally clean the cache. Your Mac takes care of routine maintenance behind the scenes eventually, but that doesn’t mean you can’t keep things tidy yourself in the meantime. Use the same technique with other advanced tools to gain access to parts of the Mac they cannot normally reach.Make your Mac fast and secure with CleanMyMac X. It does make a difference to tools like OmniDiskSweeper though. There is no advantage to running most apps from the Terminal and it makes no difference to them. That is a huge difference and the reason is that OmniDiskSweeper cannot access the Janice account in normal mode, but it can when run from the Terminal. Notice in normal mode (bottom image) OmniDiskSweeper says janice uses 24.6 kB, but in the top screenshot running OmniDiskSweeper from the Terminal, it says 28.8 MB. In the Users column is an account called janice. This is because it is able to show system files and folders that are normally inaccessible. Notice that the System folder is much bigger when running OmniDiskSweeper with higher privileges from the Terminal (top screenshot). It is useful to compare this to running OmniDiskSweeper in normal mode simply by clicking it in the Applications folder. You can explore the disk folders, see which is biggest, find the files using all the disk space and so on. The result when it has finished is like this: This takes several minutes so be patient. OmniDiskSweeper shows the disk drives (or partitions) and asks you to select one. Press Enter and you are prompted for your administrator password (because of the sudo command). The Terminal window should look like this: This saves you having to type it in and avoids the possibility of mistakes. In the Terminal window, type sudo followed by a space, then drag the OmniDiskSweeper app from the Finder window and drop it on the command line. Go to the Applications folder, open the Utilities folder and run Terminal. It’s in the Contents/MacOS folder.Īfter locating OmniDiskSweeper, we need to open a Terminal window. Expand the folders and find OmniDiskSweeper. The Finder window shows the contents of the app folder. Right click the OmniDiskSweeper app and on the menu that appears, select Show Package Contents. In fact, it is a folder that contains other files and folders. This does not work with apps, but there is a way around the problem.ĭownload OmniDiskSweeper, double click the dmg file to open it and drag the app to the Applications folder to install it.Īn app on the Apple Mac looks like a single file with the. If you have dabbled with the Terminal you might be aware of the sudo command to run commands as root. If you really want to find out what is using all the disk space you have to raise the privileges of the app so that it can access hidden and system areas. The resulting picture of the state of the disk drive is therefore not accurate and it is missing information. The problem is that some disk locations are out of bounds and it is not allowed to access them. OmniDiskSweeper scans the disk and lists the files and folders. As the free space falls, the Mac may slow down. ![]() It is essential to keep an eye on disk usage if you have a small SSD in your Mac because it is easily used up. You could delete those big files and regain the lost space. You might discover files that you no longer use, yet are occupying a lot of space. Using OmniDiskSweeper you can find the biggest files using the most disk space. It is a file browser, not unlike Finder in columns view, but the advantage is that it sorts folders and files by size. I have looked at OmniDiskSweeper before and have shown how this free utility can be used to track down where all the disk space is used on your Mac. Here’s how to do it using OmniDiskSweeper. However, for certain tasks it can be beneficial to raise the privileges to gain more power. Running apps in standard mode on the Apple Mac is fine and is recommended, most of the time.
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