Summary of the hidden folders and files you’re most likely to encounter at the top level of a volume, and at the top level of your Home folder.
Time Machine
Does APFS currently support hard disks, Fusion Drives, and other forms of storage beyond SSDs? The devil is in the detail.
Buying or replacing external storage for Macs is extremely uncertain at the moment because of issues over APFS. Here’s some guidance for selecting hard disks, for backups and more.
Found in Sierra, but seems to have fallen into disuse, and not found in High Sierra.
Found in Sierra, but seems to have fallen into disuse, and not found in High Sierra.
Running High Sierra? Do you keep your Photos Library on an external drive? Do you realise that backing it up using Time Machine is likely to be a waste of time?
Xattr flag to prevent the file or folder (and its contents) from being backed up by Time Machine. Used in Photos Libraries and elsewhere.
As expected, the macOS High Sierra 10.13.2 update contains a great deal more than the three relatively minor […]
Changes include frequent timechecks by timed, harder access to info about keychains, a couple of possible AppleScript bugs, and APFS snapshots.
A post-mortem analysis on attempts to make my iMac dual-boot between Sierra and High Sierra. Can it be done in safety?
The Eclectic Light Company 