XK0-006 Automation, Orchestration, and Scripting Practice Question
A Linux administrator wants to ensure a Bash script exits immediately if any command fails. Which directive should be included at the beginning of the script?
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
✓
set -e
The set -e command tells the shell to exit if any command exits with a non-zero status.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
set -o pipefail
Why it's wrong here
set -o pipefail returns the exit status of the last failed command in a pipeline, but does not exit on error alone.
- ✗
set -u
Why it's wrong here
set -u treats unset variables as an error.
- ✓
set -e
Why this is correct
set -e causes the script to exit if any command fails.
- ✗
set -x
Why it's wrong here
set -x enables debug trace, not exit on error.
Go deeper
Related to this question
Learn chapter
Linux Fundamentals and History
Key term
Linux
Linux is an open-source operating system that manages computer hardware and software, widely used in servers, desktops, and embedded systems.
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.
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