Symbolic links

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• Avialable vs enabled configuration files of Apache or Nginx.
• Backward compatibility: Retain historical location when moving a file or directory.
• Fake directory structure (or location of files).

$ ln -s  /tmp
$ ls -l

$ ln -s /etc/passwd
$ ls -l

$ echo "hello" > a.txt
$ ln -s a.txt b.txt 
$ ls -l