A shebang line is the first line in a script file that starts with #! followed by the path to the interpreter that should be used to execute the script. It tells the operating system which interpreter to use when running the script.
For example, in the line #!/bin/bash, #!/bin/bash indicates that the script should be run using the Bash shell located at /bin/bash. This is crucial for ensuring that the script is executed correctly, especially if it contains commands specific to that interpreter.
