Linux / Unix: fg Command Examples

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The “fg” command in Linux and Unix is used to bring a background job to the foreground. This allows you to interact with the job as if it were a foreground job, rather than running in the background.

Here are some examples of how to use the “fg” command:

  1. To bring the most recent background job to the foreground, use the following command:
fg
  1. To bring a specific background job to the foreground, you can use its job number with the “fg” command:
fg %<jobnumber>

Replace “<jobnumber>” with the number of the job that you want to bring to the foreground. You can find the job numbers for all the background jobs by using the “jobs” command.

  1. To resume a stopped job in the foreground, you can use the “fg” command with the job number or the process ID of the stopped job:
fg %<jobnumber>
fg %<pid>

Replace “<jobnumber>” with the number of the job that you want to resume, or “<pid>” with the process ID of the stopped job.

Once a background job is brought to the foreground, you can interact with it just as if it were a foreground job. You can also use the “Ctrl + Z” keyboard combination to stop the job again, or the “Ctrl + C” keyboard combination to kill it.

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