Systemctl tool is use to start, stop, restart, status basic services, also the functionality of both service and chkconfig.
systemctl ommand is list all running services,
acpid.service loaded active running ACPI Event Daemon
atd.service loaded active running Job spooling tools
auditd.service loaded active running Security Auditing Service
crond.service loaded active running Command Scheduler
dbus.service loaded active running D-Bus System Message Bus
Enable / Disable Services:
The basic command to enables or disable a service to be started on bootup time. For examble how to enable or disable sshd service.
How to Start / Stop / Restart few Services.
The following commands are enable / start / stop / restart / status services,
If you have installed any packages additionally can start same as, for example
memcached.service - Memcached
Loaded: loaded (/usr/lib/systemd/system/memcached.service; enabled)
Active: active (running) since Thu 2015-02-26 09:54:27 IST; 2h 1min ago
Main PID: 444 (memcached)
└─444 /usr/bin/memcached -u memcached -p 11211 -m 64 -c 1024