ps.output

 PPID   PID  PGID   SID TTY      TPGID STAT   UID   TIME COMMAND
    0     1     1     1 ?           -1 Ss       0   1:53 /lib/systemd/systemd --system --deserialize 17
    1     2     0     0 ?           -1 S        0   0:00 [kthreadd/13785]
    2     3     0     0 ?           -1 S        0   0:00  \_ [khelper/13785]
    1    69    69    69 ?           -1 Ss       0  14:15 /lib/systemd/systemd-journald
    1   110   110   110 ?           -1 Ss       0   0:13 /lib/systemd/systemd-logind
    1   112   112   112 ?           -1 Ss       0   0:13 /usr/sbin/cron -f
    1   114   114   114 ?           -1 Ssl      0   5:00 /usr/sbin/rsyslogd -n
    1   115   115   115 ?           -1 Ss     105   0:06 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation
    1   213   213   213 tty2       213 Ss+      0   0:00 /sbin/agetty --noclear tty2 linux
    1   223   222   222 ?           -1 Sl       0 472:08 /usr/bin/python3 /usr/bin/fail2ban-server -s /var/run/fail2ban/fail2ban.sock -p /var/run/fail2ban/fail2ban.pid -x -b
    1   228   228   228 ?           -1 Ss      33   6:23 /usr/sbin/lighttpd -D -f /etc/lighttpd/lighttpd.conf
    1  6536  6536  6536 ?           -1 Ss    1000   0:00 /lib/systemd/systemd --user
 6536  6537  6536  6536 ?           -1 S     1000   0:00  \_ (sd-
    1 22939 22939 22939 ?           -1 Ss    1000   2:41 tmux new-session weechat
22939 22940 22940 22940 pts/1    22940 Ss+   1000  83:54  \_ weechat
22939 15335 15335 15335 pts/3    15335 Ss+   1000   0:00  \_ -bash
22939 15427 15427 15427 pts/2    15515 Ss    1000   0:00  \_ -bash
15427 15515 15515 15427 pts/2    15515 S+       0   0:00      \_ sudo ps axjf
15515 15516 15515 15427 pts/2    15515 R+       0   0:00          \_ ps axjf
    1  5173  5173  5173 tty1      5173 Ss+      0   0:00 /sbin/agetty --noclear --keep-baud console 115200,38400,9600 linux
    1 16061 16061 16061 ?           -1 Ss       0   0:00 /usr/sbin/minissdpd -i 0.0.0.0
    1 16134 16134 16134 ?           -1 Ss       0   0:00 /lib/systemd/systemd-udevd
    1 17170 17170 17170 ?           -1 Ss       0   0:34 /usr/sbin/sshd -D
17170 15386 15386 15386 ?           -1 Ss       0   0:00  \_ sshd: anddam [priv]
15386 15393 15386 15386 ?           -1 S     1000   0:00  |   \_ sshd: anddam@pts/0
15393 15394 15394 15394 pts/0    15394 Ss+   1000   0:00  |       \_ tmux a
17170 15473 15473 15473 ?           -1 Ss       0   0:00  \_ sshd: unknown [priv]
15473 15474 15473 15473 ?           -1 S      106   0:00  |   \_ sshd: unknown [net]
17170 15492 15492 15492 ?           -1 Ss       0   0:00  \_ sshd: root [priv]
15492 15493 15492 15492 ?           -1 S      106   0:00      \_ sshd: root [net]