Filesystems allow you to refer to refer to your content with different names.
You can usually get by just fine without linking files and directories. Until a situation arises where linking would help. Recognizing these situations and then knowing how to use linking will let your filesystem help you. If not, then you’ll just cause yourself more work. And if you ever come across a linked file without a full understanding, then you’ll be more likely to make a mistake.
If you make a mistake manually, then you might be able to stop and fix it. But if you write a program that misuses linking, then the results can be much worse.
A simple explanation of a link for right now is that it allows you to create multiple names for your files and directories so you can get to the content from different locations or through different paths. There’s different kinds of links that you’ll learn about in this episode.
Listen to the full episode to learn about symbolic links and soft links, junction points, and hard links. You might be surprised that you use hard links all the time without doing anything special.