When you take a screenshot on Mac there’s always a shadow around the screenshot by default. Disable the shadow from the screenshot with this Terminal command. Be aware, this command only works on a Mac with macOS High Sierra or newer. Click here for the command for macOS Mojave or newer.
Mac OS X General
10 terminal commands to speed up macOS Sierra on your Mac
Most improvements in macOS 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 sierra
With the following 10 Terminal Commands you can speed up macOS Sierra. The commands disable various delays and animations from that standard built by Apple. These are nice, but not necessary for the Mac
Change OS X text cursor blink rate
There is no system preference setting for adjusting the cursor blink rate in OS X, as with many hidden settings you can change the blink rate directly using a defaults write command (OS X 10.9 and above).
10 terminal commands to speed up your Mac in OS X El Capitan
Most improvements in OS X 10:11 El Capitan are not immediately visible to the ordinary OS X user. Especially under the hood many improvements have been made in the area of performance and safety.
Do you want OS X 10:11 El Capitan faster than you can use the OS X Terminal Commands 10 below. The commands disable various delays from that standard built by Apple.
Removing the date and time Stamp from Screenshots
By default, screenshots (cmd⌘ + shift⇧ + 3) are saved on your desktop along with the date and time they were taken. It’s possible to to remove the date and time stamp from the file names of screenshots, use the following command in Terminal:
How to reset the DNS cache in OS X
OS X always keeps a local cache of resolved DNS queries (IP address) for future reference. But sometimes it may be necessary to clear (flush) the cache. You can do this with a terminal command, this will refresh the local DNS cache.
Disable full screen animation of OS X.
You can view windows full screen in many applications, this means that the application window uses the entire screen. But the animation is slow and is too long. You can disable the animation with the following command. Launch Terminal and enter the following command.