Diagrams of the layout of volumes on boot disks for macOS 10.13 to 11, covering both Intel and M1 models.
macOS 10.14
A summary of all the macOS updates released over the last three days, to help you catch up with any you’ve missed.
Volume layouts are fairly straightforward until you have two or more bootable systems with Volume Groups. Details and advice for those with macOS 10.15 or 11.
Many users are today reporting that their HP printer software has suddenly stopped working, with worrying messages implying […]
First a routine Security Update for Mojave goes badly wrong, then Apple provides a fix but no instructions or explanation. Then MRT updates silently go missing for older versions of macOS. Inform users or keep quiet?
Apple has just released a set of new updates for macOS Mojave 10.14.6 to address earlier problems with […]
One was just a bit wonky, the other has made a mess of many who installed the update. So what went wrong?
A complete guide to the structure and layout of APFS startup disks from High Sierra to Big Sur (Intel), together with tear-out PDF charts.
Some documents can’t be opened with apps which should be able to edit them. These tools address problems with their metadata.
Privacy protection differs between GUI and the command line, causing anomalies which are being exploited to steal private data.
