On Linux, hidden files are files that are not directly displayed when performing a standard ls directory listing. Hidden files, also called dot files on Unix operating systems, are files used in order to execute some scripts or to store configuration about some services on your host.

What does a hidden file mean?

Files that exist on a computer, but don’t appear when listing or exploring, are called hidden files. A hidden file is primarily used to help prevent important data from being accidentally deleted. Tip. Hidden files should not be used to hide confidential information as any user may view them.

How do I see hidden files in Linux?

To view hidden files, run the ls command with the -a flag which enables viewing of all files in a directory or -al flag for long listing. From a GUI file manager, go to View and check the option Show Hidden Files to view hidden files or directories.