Control group /:
-.slice
|-user.slice 
| `-user-0.slice 
|   |-session-6.scope 
|   | |- 3395 sshd: root@notty
|   | |- 3400 bash -c cd /home/test && ./c10f1.sh
|   | |- 6709 /usr/bin/python2.7 /usr/sbin/sosreport
|   | |- 6827 timeout 300s systemd-cgls
|   | `- 6828 systemd-cgls
|   |-session-1.scope 
|   | |- 2893 /bin/login -p -- root
|   | `- 2909 -bash
|   `-user@0.service ...
|     `-init.scope 
|       |- 2899 /lib/systemd/systemd --user
|       `- 2901 (sd-pam)
|-init.scope 
| `- 1 /lib/systemd/systemd splash --system --deserialize 23
`-system.slice 
  |-rngd.service 
  | `- 2307 /usr/sbin/rngd -f
  |-nmb.service 
  | `- 2471 /usr/sbin/nmbd --no-process-group
  |-systemd-udevd.service 
  | |- 2070 /lib/systemd/systemd-udevd
  | |- 6781 /lib/systemd/systemd-udevd
  | |- 6784 /lib/systemd/systemd-udevd
  | `- 6785 /lib/systemd/systemd-udevd
  |-polkit.service 
  | `- 2303 /usr/libexec/polkit-1/polkitd --no-debug
  |-chronyd.service 
  | `- 3323 /usr/sbin/chronyd
  |-bluetooth.service 
  | `- 2274 /usr/libexec/bluetooth/bluetoothd
  |-ModemManager.service 
  | `- 2397 /usr/sbin/ModemManager
  |-systemd-journald.service 
  | `- 2049 /lib/systemd/systemd-journald
  |-sshd.service 
  | `- 3368 /usr/sbin/sshd -D
  |-crond.service 
  | `- 2421 /usr/sbin/crond -n
  |-colord.service 
  | `- 3337 /usr/libexec/colord
  |-NetworkManager.service 
  | `- 2393 /usr/sbin/NetworkManager --no-daemon
  |-ahttpd.service 
  | `- 2336 /usr/bin/guile --no-auto-compile /usr/sbin/ahttpd
  |-systemd-userdbd.service 
  | |- 2075 /lib/systemd/systemd-userdbd
  | |- 3048 systemd-userwork
  | |- 3049 systemd-userwork
  | `- 3050 systemd-userwork
  |-rpcbind.service 
  | `- 2050 /sbin/rpcbind -w -l
  |-cups-browsed.service 
  | `- 2441 /usr/sbin/cups-browsed
  |-postfix.service 
  | |- 2882 /usr/libexec/postfix/master -w
  | |- 2883 pickup -l -t fifo -u -c
  | `- 2884 qmgr -l -t fifo -u -c
  |-cups.service 
  | |- 2401 /usr/sbin/cupsd -l
  | |- 2422 /usr/lib/cups/notifier/dbus dbus://
  | `- 3336 /usr/lib/cups/notifier/dbus dbus://
  |-smb.service 
  | |- 2581 /usr/sbin/smbd --no-process-group
  | |- 2588 /usr/sbin/smbd --no-process-group
  | `- 2591 /usr/sbin/smbd --no-process-group
  |-sddm.service 
  | `- 2449 /usr/bin/sddm
  |-alteratord.service 
  | `- 2267 /usr/bin/guile --no-auto-compile /usr/sbin/alteratord
  |-systemd-oomd.service 
  | `- 4162 /lib/systemd/systemd-oomd
  |-acpid.service 
  | `- 2264 /usr/sbin/acpid -f -n
  |-dbus.service 
  | `- 2297 /bin/dbus-daemon --system --address=systemd: --nofork --nopidfile...
  |-avahi-daemon.service 
  | |- 2270 avahi-daemon: running [limp5rage.local]
  | `- 2362 avahi-daemon: chroot helper
  `-systemd-logind.service 
    `- 2318 /lib/systemd/systemd-logind
