Run a process in the background by adding an ampersand & to the end of a command.

./run.sh&

List background processes

jobs

Stop a background process

kill

Move a background process to the foreground

fg

send the current process to the background

bg

Run services in the background even after logout

Create a SystemD Service

/etc/systemd/myservice.service

[Unit]
Description=Apache Web Server

[Service]
Type=simple
ExecStart=/usr/sbin/httpd -k start
ExecStop=/usr/sbin/httpd -k stop

[Install]
WantedBy=multi-user.target

References:

  • https://akashrajpurohit.com/blog/keep-your-services-running-in-the-background-with-systemd/#:~:text=Do%20you%20want%20your%20Linux%20services%20to,and%20stop%20it%2C%20and%20monitor%20its%20status