Time Machine. Wo genau liegen die lokalen Schnappschüsse bei einem mobilen Rechner

http://www.howtogeek.com/212207/how-to-free-up-space-used-by-time-machines-local-backups-on-your-mac/

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These backups are stored under the .MobileBackups folder under the root directory on your Mac’s boot drive. Because it begins with a . character, it’s normally hidden from the Finder and other Mac applications so you can’t see it. Don’t try to delete those files by hand — to purge Time Machine’s local snapshots, just use the above command.