What is the difference between docker pause and docker unpause?

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Docker pause suspends all the process to container. Docker unpause will un-suspend all the process to container

root@ip-172-31-28-155:/home/ubuntu# docker pause rajuc
rajuc
root@ip-172-31-28-155:/home/ubuntu# docker ps | grep rajc
root@ip-172-31-28-155:/home/ubuntu# docker ps | grep rajuc
548886386f8b   httpd     "httpd-foreground"       20 minutes ago      Up 20 seconds (Paused)   80/tcp    rajuc

unpause

root@ip-172-31-28-155:/home/ubuntu# docker unpause rajuc
rajuc
root@ip-172-31-28-155:/home/ubuntu# docker ps | grep rajuc
548886386f8b   httpd     "httpd-foreground"       21 minutes ago      Up 50 seconds            80/tcp    rajuc