Do you want to take screenshots on a Mac, but without shadow around the window? Then you can disable this by using a terminal command. Since macOS Mojave you have to use a different command than under macOS High Sierra (more info).
You can display additional information on the loginscreen of macOS. After applying the command you can click on the clock in the upper right corner, toggle between clock, IP address, macOS version and computer name. The information will be displayed for only 60 seconds.
In macOS and OS X it’s possible to show one application at a time. You can enable a ‘single application’ mode by entering the following command in Terminal:
Earlier this week, a bug in macOS High Sierra was discovered that made it possible to use the root user without a password. That could be dangerous in combination with malware.
Thankfully, Apple is resolving this bug within 24 hours with a security update. Only this has created a new problem that affects a select number of users. If you use file sharing within your own network, this may stop working. You can easily solve this problem with a Terminal command.
Sometimes it can happen when saving a document that you have to click first on the triangle next to the Location field to open the expanded save window. This can be very confusing, with the following command you can enable the expand save panel by default.
Since OS X 10.9 mavericks, the behavior of the power button has been changed. When you press the power button for about 2 seconds, it will put macOS (OS X) in stand-by (sleep) mode.
With the following command you can use the power button function as in previous versions of OS X. By showing a dialog box for turning off the Mac and more.
Most improvements in macOS High Sierra are not immediately visible to the ordinary macOS user. Especially under the hood many improvements have been made in the area of performance and safety. Some users experience a slow Mac after installing MacOS High Sierra
With the following 10 Terminal Commands you can speed up macOS High Sierra. The commands disable various delays and animations from that standard built by Apple. These are nice, but not necessary for the Mac