[akira@mimi9] $ systemctl
systemctl command
cancel -- Cancel all, one, or more jobs
daemon-reexec -- Reexecute systemd manager
daemon-reload -- Reload systemd manager configuration
default -- Enter system default mode
delete -- Remove one or more snapshots
disable -- Disable one or more unit files
dot -- Dump dependency graph for dot(1)
dump -- Dump server status
emergency -- Enter system emergency mode
enable -- Enable one or more unit files
exit -- Ask for user instance termination
halt -- Shut down and halt the system
is-active -- Check whether units are active
is-enabled -- Check whether unit files are enabled
isolate -- Start one unit and stop all others
kexec -- Shut down and reboot the system with kexec
kill -- Send signal to processes of a unit
list-jobs -- List jobs
list-units -- List units
load -- Load one or more units
monitor -- Monitor unit/job changes
poweroff -- Shut down and power-off the system
reboot -- Shut down and reboot the system
reload -- Reload one or more units
reload-or-restart -- Reload one or more units is possible, otherwise start or restart
reload-or-try-restart force-reload -- Reload one or more units is possible, otherwise restart if active
rescue -- Enter system rescue mode
reset-failed -- Reset failed state for all, one, or more units
restart -- Start or restart one or more units
set-environment -- Set one or more environment variables
show -- Show properties of one or more units/jobs or the manager
show-environment -- Dump environment
snapshot -- Create a snapshot
start -- Start (activate) one or more units
status -- Show runtime status of one or more units
stop -- Stop (deactivate) one or more units
try-restart condrestart -- Restart one or more units if active
unset-environment -- Unset one or more environment variables