![]() Double-click on one, and a new window opens with a column view listing every folder and file you can access, which it sorts by size as you watch. When you start OmniDiskSweeper, it presents you with a list of disks attached to your machine. It's a fast, easy way to find those large files cluttering up your drive and clearing them out for new, better things. When you're done with it, quit it and also quit Terminal.OmniDiskSweeper is really great at what it does: showing you the files on your drive, in descending order by size, and letting you delete them easily! It scans your disks as quickly as possible and shows you the facts - if a file doesn't make the cut to stay, just click the big Delete button and be done with it. Don't delete anything while running ODS as root. I don't recommend that you make a habit of this. You may get a one-time warning not to screw up. You'll be prompted for your login password, which won't be displayed when you type it. Sudo /Applications/OmniDiskSweeper.app/Contents/MacOS/OmniDiskSweeper Click Utilities, then Terminal in the page that opens.ĭrag or copy - do not type - the following line into the Terminal window, then press return: ☞ If you’re running Mac OS X 10.7 or later, open LaunchPad. The application is in the folder that opens. ☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. Select it in the results (it should be at the top.) ☞ Enter the first few letters of its name into a Spotlight search. Launch the Terminal application in any of the following ways: No matter what happens, you should be able to restore your system to the state it was in at the time of that backup. To really see everything, you have to run it as root.įirst, back up all data if you haven't already done so. ODS can't see the whole filesystem when you run it just by double-clicking it only sees files that you have permission to read. Proceed further only if the problem hasn't been solved. Use a tool such as OmniDiskSweeper to explore your volume and find out what's taking up the space. Why do I get the Force Quit message, when I only have four applications running and plenty of RAM? Why is my SSD Startup Disk showing so little space available (~100GB), when all the files, even hidden files and folders, total only ~120GB. Of course, I've gone through all the usual optimization steps.ġ. I understand that for some memory-intensive applications, there may be some virtual memory swaps, so I am careful about shutting down unused applications, but I cannot figure out why so much of the SSD Startup disk is showing as used. The files (see below) on the SSD total only about 120GB, yet, when I examine the available space on the drive, almost 400GB is used, with only 100GB available. My home directory is mapped to a second 2TB Hard Drive with a third 2TB drive for backup, plus a 2TB Time Capsule. ![]() The Startup Disk is a 500GB SSD and I have 24GB of RAM ⚠. There are only four applications running: Mail, Safari, Text Edit and Finder. I repeatedly get the message "Your Mac OS X startup disk has no more space for application memory" in a pop-up called "Force Quit Applications".
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