What is the deal with 'shebang' (#!) at the beginning of shell scripts?

The article discusses the importance of shebang in shell scripts. Shebang is a special character that appears at the beginning of a script file, informing the operating system which interpreter should be used to execute the script. The author explains that without shebang, scripts may not function properly, leading to errors during execution. A key point is that shebang aids in determining how to interpret the code, making it an essential tool for programmers. Various examples of shebang usage in scripts are presented, allowing for a better understanding of its role and significance. Understanding how shebang works is crucial, especially for those writing scripts, as it impacts the efficiency and stability of their code.