XK0-006 Automation, Orchestration, and Scripting Practice Question
In a Bash script, what is the purpose of the shebang '#!/bin/bash'?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It specifies the path to the Bash executable that should run the script.
The shebang tells the system which interpreter to use to execute the script.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
It specifies the path to the Bash executable that should run the script.
Why this is correct
The shebang line indicates the interpreter.
- ✗
It defines a variable for the Bash version.
Why it's wrong here
The shebang doesn't define variables.
- ✗
It sets the script's permissions to executable.
Why it's wrong here
Permissions are set with chmod.
- ✗
It enables debug mode for the script.
Why it's wrong here
Debug mode is enabled with set -x.
Go deeper
Related to this question
Learn chapter
Process Management and System Monitoring
Key term
Bash script
A Bash script is a text file containing a sequence of commands for the Unix shell Bash, allowing users to automate repetitive tasks and streamline system administration on Linux and macOS.
Key term
Bash
Bash is a command-line interpreter that lets users interact with an operating system by typing text commands instead of clicking icons.
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