The Terminal is a very powerful tool that comes with the Mac. It gives access to the core operating system via a command line. One of the cool things the Terminal can for you is to change hidden preferences.
There are many "hidden" files on every Mac. These hidden files contain folder icons, system data, and application information. Some of these can can be removed and they can take up a large amount of storage. There is an easy Terminal command to show and hide these files.
The following commands can be copied and pasted into the Terminal window. The first sets the preference to display all files.
write com.apple.finder AppleShowAllFiles TRUE
After this system preference has been set, the user will need to restart to the Finder to see the files. To restart the Finder, use the following command.
The same command is used to hide the files again, except the last veritable is changed from TRUE to FLASE. It should look like the command below.
write com.apple.finder AppleShowAllFiles FALSE
Hiding and showing files in the Finder is just one of many useful tasks the Terminal application can do.
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