jobs command in Linux CLI - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does the jobs command do in Linux?

The jobs command shows the list of background and suspended jobs in the current shell session.

beginner

How do you identify a job's status using the jobs command?

The jobs command shows each job with a status like Running, Stopped, or Done next to its job number.

beginner

What symbol is used to refer to a job in commands like fg or bg?

A job is referred to by a percent sign % followed by the job number, for example, %1 for job number 1.

intermediate

How can you list all jobs including those from other sessions?

The jobs command only shows jobs from the current shell session. To see jobs from other sessions, you need to use other tools like ps.

intermediate

What does the jobs -l option do?

The jobs -l option shows the job list with the process IDs (PIDs) of each job, giving more detailed information.

What does the jobs command display?

A List of users logged into the system

B List of all running processes on the system

C List of background and stopped jobs in the current shell

D List of files in the current directory

The jobs command shows only the background and stopped jobs in the current shell session.

How do you refer to job number 2 when using fg or bg commands?

A %2

B $2

C 2

D #2

Jobs are referenced with a percent sign and the job number, like %2.

What does the status 'Stopped' mean in the jobs output?

A The job is running in the background

B The job is not found

C The job has finished successfully

D The job is paused and waiting

'Stopped' means the job is paused (usually by pressing Ctrl+Z) and waiting to be resumed.

Which option with jobs shows process IDs?

A -l

B -p

C -r

D -s

The -l option shows the job list with process IDs.

Can jobs show jobs from other terminal sessions?

A Yes, always

B No, only current shell session

C Only if run as root

D Only if jobs are running in background

The jobs command only shows jobs from the current shell session.

Explain how to use the jobs command to check background tasks and how to bring a job back to the foreground.

Think about how you see jobs and how you can control them.

Describe the difference between the jobs command and the ps command in Linux.

Consider what each command is designed to show.