XK0-006 Automation, Orchestration, and Scripting Practice Question
A Linux administrator is writing a Bash script that must handle errors gracefully. Which TWO of the following techniques ensure the script exits on error and provides debugging information? (Select TWO.)
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 -x
set -e makes the script exit on any command failure. set -x prints commands as they are executed, aiding debugging. Together they ensure error exit and debugging output.
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 -u
Why it's wrong here
Treats unset variables as an error, but does not provide debugging.
- ✗
trap 'echo error' ERR
Why it's wrong here
Traps errors but does not provide debugging or exit on error automatically.
- ✓
set -x
Why this is correct
Prints commands and arguments for debugging.
- ✓
set -e
Why this is correct
Causes script to exit on error.
- ✗
set -o pipefail
Why it's wrong here
Returns exit status of last command in a pipeline, but does not provide debugging.
Go deeper
Related to this question
Learn chapter
Linux Fundamentals and History
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.
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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