Resuming a stopped job in the background | LinuC Level 1 101 Exam original practice question

1.01.4Basic

Ctrl+Z stopped job 1, and jobs shows it as Stopped.

Resume that job in the background.

Which command is appropriate?

Hint 1: Focus on the requirement

The job is stopped, so choose the shell builtin that resumes it without taking terminal control.

Hint 2: Key terms

Review the short definitions before comparing the process and job-control choices.

SIGTSTP: The terminal stop signal commonly generated by Ctrl+Z for a foreground job.
bg: A Bash builtin that resumes a stopped job in the background.
Job specification: A shell reference such as %1 that identifies a job in the current shell.

Detailed explanation

Incorrectfg %1

Incorrect. fg would resume job 1 in the foreground.

Correctbg %1

Correct. bg %1 resumes the stopped job in the background.

Incorrectjobs %1

Incorrect. jobs lists jobs rather than resuming one.

Incorrectwait %1

Incorrect. wait waits for a job rather than continuing it in the background.

An example you can run in a temporary verification environment.

help bg

Bash builtin bgのhelp

Environment: Bash 5.x builtin help
Use a disposable process or test shell when checking lifecycle commands.
Exact output and option names can vary slightly by distribution and tool version.

Foundation review

bg resumes a stopped job away from the foreground; fg resumes it while returning terminal control.

A program that needs terminal input can stop again when it is resumed in the background.

Question IDKL-101-354

EnvironmentBash 5.x builtin help

Last technical review2026-08-13

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