Many services use two-factor authentication nowadays, where your phone or email address gets sent a code that you must enter as part of the login process into an online service. These codes are one ...

Some advanced Mac users may have noticed that certain shell scripts with cron, cron jobs, and crontab are either not working at all, or not able to function properly in the newest versions of MacOS, ...

Does the audio quality of iPhone sound bad when you’re making or receiving phone calls? Are you struggling to understand what people are saying on the phone, or they have a hard time hearing you as ...

Though most Mac users will want to keep Gatekeeper enabled for security purposes, some advanced users find that Gatekeeper is overly zealous in preventing third party apps from being used in macOS and ...

Rosetta 2 is necessary if you want to be able to run older non-native Intel x86 apps on new Apple Silicon Macs, like the M1 MacBook Pro, MacBook Air, or Mac mini. Curiously, Rosetta 2 is not installed ...

A symbolic link created at the command line allows a linked object in the file system to point to an original object in a different location. In this way, symbolic links behave much like an alias does ...

Did you go to download macOS Mojave but found an incomplete installer application arrived in your /Applications folder? Some Mac users have discovered that when trying to download macOS Mojave from ...

Kernel extensions, called kext for short, are modules of code that are loaded directly into the kernel space of Mac OS X, able to run at a low-level to perform a variety of tasks. Most kexts are part ...

Adding colorized ls output to the Terminal in Mac OS X is a good way to make navigating around the command line a bit easier on the eyes. This makes different items show up in different colors, ...

Apple has enabled a new default security oriented featured called System Integrity Protection, often called rootless or SIP, in Mac OS from versions 10.11 onward. The SIP / rootless feature is aimed ...

At the command line, environmental variables are defined for the current shell and become inherited by any running command or process. They can determine anything from the default shell, the PATH, the ...

Ever wondered where all the downloaded files go on your Mac? By default, most apps will transfer downloaded files into the user Downloads folder. This applies to all downloads to a Mac made from the ...