Time Machine manages backups by creating snapshots that allow you to peer backward through time to select versions of documents, apps, folders, or other items that were later deleted or modified.

Time Machine backups don’t add up! Or, rather, if you’re viewing the contents of a Time Machine backup volume in the Finder and choose File > Get Info and enable Calculate All Sizes, the totals of all ...

After doing this, I can "enter" Time Machine even when my external T.M. drive is disconnected. I can force the creation of snapshots with the command tmutil snapshot, and I can confirm from the ...