systemctl list-unit-files code example

Example 1: list all services using systemctl

## List all services
systemctl list-units  --type=service

## List running services
systemctl list-units  --type=service  --state=running

## List all svc in simplified way
service --status-all

Example 2: start systemctl service

sudo systemctl start application

Example 3: start systemctl service

sudo systemctl start application.service