Have you ever tried removing or editing a preference file, to no effect? This explains why that happens, and how to get changes to work properly.
OS X
Problems with preference files can easily crash an app, even when the file looks fine, and its permissions are correct. Here’s why and how.
Apple has pushed out silent updates to Gatekeeper’s configuration data, bringing it to version 115, and to MRT […]
You suddenly can’t remember your password, or your Mac won’t accept what you think is your password. What do you do next?
OS X and macOS make it very easy for malware to make itself persistent. It’s time for High Sierra to improve protection of the user.
How to run one-off backups, how to cancel automatic backups, and how to set your own backup schedules.
How scheduling concurrent and background tasks using XPC Activity works, and compares with alternatives such as NSBackgroundActivityScheduler.
Transferring a decision-making guide from a quick flowchart into Tinderbox notes.
Can your Mac control sleep of its display, disks and system independently of one another? Many can’t.
There are now three different Recovery modes. This explains which to use, and provides a flowchart to help you work out how best to reinstall in them.
The Eclectic Light Company 