ls -la To unhide a file named .private in your home folder:

mv ~/.private ~/private Hidden files are often hidden for a reason—many contain critical system settings or application data. While unhiding them is safe, modifying or deleting them can cause software to malfunction or, in rare cases, make your system unstable. When in doubt, leave system-owned hidden files untouched.

To unhide a single file named secret.txt on your desktop: