root@kali:~# systemctl status
? kali
    State: running
     Jobs: 0 queued
   Failed: 0 units
    Since: Thu 1970-01-01 00:00:02 UTC; 50 years 2 months ago
   CGroup: /
           +-user.slice
           ¦ +-user-0.slice
           ¦   +-session-c1.scope
           ¦   ¦ +-294 /bin/login -p --
           ¦   ¦ +-411 -bash
           ¦   +-user@0.service …
           ¦   ¦ +-init.scope
           ¦   ¦   +-395 /lib/systemd/systemd --user
           ¦   ¦   +-398 (sd-pam)
           ¦   +-session-c2.scope
           ¦     +-428 sshd: root@pts/0
           ¦     +-440 -bash
           ¦     +-450 systemctl status
           ¦     +-451 pager
           +-init.scope
           ¦ +-1 /sbin/init
           +-system.slice
             +-systemd-timesyncd.service
             ¦ +-197 /lib/systemd/systemd-timesyncd
             +-NetworkManager.service
             ¦ +-246 /usr/sbin/NetworkManager --no-daemon
             +-dbus.service
             ¦ +-244 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
             +-ssh.service
             ¦ +-427 /usr/sbin/sshd -D
             +-wpa_supplicant.service
             ¦ +-256 /sbin/wpa_supplicant -u -s -O /run/wpa_supplicant
             +-ModemManager.service
             ¦ +-242 /usr/sbin/ModemManager --filter-policy=strict
             +-systemd-logind.service
             ¦ +-302 /lib/systemd/systemd-logind
             +-polkit.service
             ¦ +-274 /usr/lib/policykit-1/polkitd --no-debug
             +-cron.service
             ¦ +-243 /usr/sbin/cron -f
             +-systemd-udevd.service
             ¦ +-124 /lib/systemd/systemd-udevd
             +-rsyslog.service
             ¦ +-253 /usr/sbin/rsyslogd -n -iNONE
             +-systemd-journald.service
             ¦ +-106 /lib/systemd/systemd-journald
             +-ifup@wlan0.service
               +-343 /sbin/wpa_supplicant -s -B -P /run/wpa_supplicant.wlan0.pid -i wlan0 -D nl80211,wext -c /etc/wpa_supplicant/wpa_supplicant.conf
               +-349 /sbin/dhclient -4 -v -i -pf /run/dhclient.wlan0.pid -lf /var/lib/dhcp/dhclient.wlan0.leases -I -df /var/lib/dhcp/dhclient6.wlan0.leases wlan0