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The Invisible Art: Mastering ls and the Dotfile

In the pristine, white-space corridors of a fresh Linux terminal, things are rarely what they seem. You type ls, the list command, expecting to see everything. The terminal replies with a handful of folders: Documents, Downloads, Pictures.

To create dotfiles, you use the touch command and pass the name(s) of the file(s) as the argument to the command. freeCodeCamp

In Unix-like operating systems, the dot (.) is a special character that has a specific meaning. When used as a directory or file name, it refers to the current working directory. When used as a prefix for a file or directory name, it makes the file or directory hidden.

would only see the files it is explicitly authorized to view, while other sensitive data remains invisible and inaccessible at the file system level.