Some notes on links in Linux systems
There are two types of links, soft link and hard links,
ln -s original_file link_file
Stores the name of the original file, instead of the inode. If we rename the original file or move it to a directory, the soft link would no longer work.
ln original_file link_file
Is a link to the inode in the file system. The inode is removed if there is no hard links to the inode. If we move the original file or rename it, this would continue to work as the inode is the same.