XK0-006 Automation, Orchestration, and Scripting Practice Question
In a Bash script, what is the difference between single quotes and double quotes?
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
✓
Single quotes prevent variable expansion; double quotes allow it.
Single quotes preserve the literal value of each character, while double quotes allow variable expansion and command substitution.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Both behave the same.
Why it's wrong here
They have different behaviors.
- ✗
Single quotes allow variable expansion; double quotes do not.
Why it's wrong here
It's the opposite.
- ✗
Double quotes prevent all substitutions; single quotes allow command substitution.
Why it's wrong here
Incorrect.
- ✓
Single quotes prevent variable expansion; double quotes allow it.
Why this is correct
Double quotes permit $VAR and $(command) expansions.
Go deeper
Related to this question
Learn chapter
Logical Volume Management (LVM)
Key term
Value
Value is the perceived worth, benefit, or usefulness that a service, product, or activity delivers to stakeholders, especially customers and the business.
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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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This XK0-006 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the XK0-006 exam.