How does bash tab completion work?

Question

I have been spending a lot of time in the shell lately and I\'m wondering how the tab autocomplete works. What\'s the mechanism behind it? How does the bash know the conte

Answer 1

If you are interested in the basics: Bash uses readline which features history and basic completion. You could inspect the source if you want to get a detailed understanding. Furthermore, you can use readline to build your own CLI interfaces with completion