LFCS · Question #513
An administrator is looking into a new script they received from a senior executive. In the very first line the administrator notices a #! followed by a file path. This indicates that:
The correct answer is D. the program at that location will be used to process the script. The #! (shebang) on the first line of a script indicates the interpreter program that the operating system should use to execute the script.
Question
Options
- Athe file at that location was used to make the script.
- Bthis script provides identical functionality as the file at that location.
- Cthis script will self-extract into a file at that location.
- Dthe program at that location will be used to process the script.
How the community answered
(29 responses)- A3% (1)
- B7% (2)
- D90% (26)
Why each option
The `#!` (shebang) on the first line of a script indicates the interpreter program that the operating system should use to execute the script.
The shebang specifies the interpreter for execution, not the tool or file that was used to create the script.
The shebang specifies how to run the script, not that the script provides identical functionality to the specified interpreter program.
The shebang mechanism is for executing a script with a specific interpreter, not for self-extraction of the script into another location.
The `#!` followed by a file path, known as a shebang, is a directive to the operating system's program loader, instructing it to use the specified program (e.g., `/bin/bash`, `/usr/bin/python3`) as the interpreter for the script when it is executed as a standalone executable.
Concept tested: Shebang interpreter specification
Source: https://man7.org/linux/man-pages/man7/execve.7.html
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