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Amit Merchant

Amit Merchant

A blog on PHP, JavaScript, and more

Suspending and putting a running process in the background in Linux

How many times does it happen to you where you have spun up a node server or a PHP server in your terminal and then you want to put it in the background so that you can do something else?

For instance, you want to run a git pull command or you want to run a composer install command without opening a new terminal window.

Well, if you are using Linux (or Unix), you can do that using the Ctrl / Cmd + Z shortcut. This will suspend the process and you can use the terminal for other purposes.

Here’s what this might look like.

Suspend a Linux job

As you can tell, the process created by the php artisan serve command has been suspended and it’s not running anymore. You can verify this by running the jobs command where you will see the suspended job.

So now, you can run any other command you want and when you’re done, you can put the suspended job to the background using the bg command like so and it will resume the job.

Put suspended job in the background

Once you put the job in the background, you will still be able to run other commands and the job will continue to run in the background. You can verify this by running the jobs command again.

But if you want to bring the job back to the foreground like how it was initially, you can do so using the fg command like so.

Put suspended job in the foreground

And this will bring the job back to the foreground.

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