how to list services in linux code example

Example 1: linux view services

service --status-all
service --status-all | more
service --status-all | grep ntpd
service --status-all | less

Example 2: linux list services

$ systemctl list-units --type=service

Example 3: systemctl check availabe services

# systemctl list-units --type=service
OR
# systemctl --type=service

Example 4: checking service status in linux

$ sudo service httpd start
Starting httpd:                                            [  OK  ]