XK0-006 Security Practice Question
A Linux administrator needs to add a new user named 'jdoe' with a home directory and bash shell. Which command accomplishes this?
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
✓
useradd -m -s /bin/bash jdoe
The useradd command creates a new user, and the -m flag creates the home directory, -s sets the shell. useradd -m -s /bin/bash jdoe is correct.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
groupadd -u jdoe -s /bin/bash
Why it's wrong here
groupadd creates groups, not users.
- ✓
useradd -m -s /bin/bash jdoe
Why this is correct
Correct: -m creates home directory, -s sets shell.
- ✗
adduser -h /home/jdoe -s bash jdoe
Why it's wrong here
adduser is a perl script, not standard; syntax is wrong.
- ✗
usermod -m -s /bin/bash jdoe
Why it's wrong here
usermod modifies existing users, not create new ones.
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
Linux
Linux is an open-source operating system that manages computer hardware and software, widely used in servers, desktops, and embedded systems.
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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.