Exercise 1 - Setting Linux file and folder permissions Write a script to automatically convert a human-entered Linux permission string (like rwxr-xr--") into an integer that you whose octal representation is like 754. You may want to implement it as a simple web page with JavaScript so you can take the permission string from an element. If you decide to do so, feel free to make the interface even more user-friendly, (Optional) Consider making your script fault tolerate (fixing too short or too long input string, wrong permission flag character at any position, etc.)