[root@apc01 ~]# pstree
systemd-+-ModemManager---2*[{ModemManager}]
|-NetworkManager-+-dhclient
| `-3*[{NetworkManager}]
|-VBoxService---7*[{VBoxService}]
|-2*[abrt-watch-log]
|-abrtd
|-accounts-daemon---2*[{accounts-daemon}]
|-alsactl
|-at-spi-bus-laun-+-dbus-daemon
[root@apc01 ~]# pstree -p
systemd(1)-+-ModemManager(1772)-+-{ModemManager}(1820)
| `-{ModemManager}(1847)
|-NetworkManager(1784)-+-dhclient(1946)
| |-{NetworkManager}(1873)
| |-{NetworkManager}(1874)
| `-{NetworkManager}(1877)