If you ever wish to revert this change and hide system files globally again, run the same commands but replace TRUE with FALSE :
This is the fastest way to "unhide" files without digging into settings.
Note that hidden files and folders typically start with a dot (.) and are not visible by default to prevent accidental modification or deletion. show hidden finder link
For most users, the keyboard shortcut Command + Shift + . will be the go-to solution: it's fast, reversible, and requires no setup. IT professionals and developers will appreciate the permanent Terminal method, while security analysts benefit from the granular control of command-line exploration.
ls -a # Lists all files including hidden ones ls -la # Lists all files with detailed information (permissions, size, dates) If you ever wish to revert this change
Navigate to the folder where you suspect hidden files exist (such as your User folder). Press simultaneously.
Alternatively, you can also use the following method: will be the go-to solution: it's fast, reversible,
No. Changing file visibility settings does not impact processing speed or system performance — the Mac handles these files regardless of whether they're displayed.