In Linux, any file or directory name that starts with a dot (.) is automatically hidden from normal view — no extra software needed.
In this quick tutorial you’ll learn:
✅ Create hidden file instantly → touch .private.txt
✅ Hide existing file → mv report.pdf .report.pdf
✅ Hide a whole folder → mv Documents .Documents
✅ Reveal hidden items → ls -a or ls -la
✅ GUI way: just rename and add a leading dot (or press Ctrl+H to toggle visibility)
Great for storing sensitive configs, .ssh keys, .bashrc customizations or decluttering your home directory. Works on Ubuntu, Debian, Fedora, Mint, Arch, Pop!_OS — basically every Linux distro!
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