XK0-006 System Management Practice Question
An administrator wants to start a long-running script in the background so that it continues running even after logging out. Which command should be used?
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
✓
nohup script.sh &
nohup prevents the process from receiving SIGHUP when the terminal closes. & runs it in background.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
script.sh &
Why it's wrong here
Background but will be terminated on logout without nohup.
- ✓
nohup script.sh &
Why this is correct
Correct: nohup allows process to survive logout; & runs in background.
- ✗
nohup script.sh
Why it's wrong here
Runs in foreground; on logout it might continue but terminal is blocked.
- ✗
bg script.sh
Why it's wrong here
bg resumes a stopped job in the background; script must already be suspended.
Go deeper
Related to this question
Learn chapter
Process Management and System Monitoring
Key term
Process
In IT service management, a process is a structured set of activities designed to accomplish a specific objective, such as managing incidents or changes, by transforming inputs into defined outputs.
Key term
Terminal
A terminal is a text-based interface that allows users to communicate with a computer's operating system by typing commands.
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Written by Johnson Ajibi, MSc IT Security
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