How to create and manage hidden files in Linux
Briefly

To create a hidden file, you simply need to save the file with a leading dot before the name. For instance, instead of naming it zdnet.txt, you would name it .zdnet.txt.
To view hidden files from the command line, use the command ls with the -a option. This command shows all files in the current directory, including hidden ones.
Most file managers in Linux can display hidden files, and they typically use the same keyboard shortcut to enable this feature, making it user-friendly.
Renaming a visible file to a hidden file is straightforward. Just right-click the file in your file manager, select Rename, and add a leading period.
Read at ZDNET
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