UID  PID   PPID  PGID  SID   CMD
root 22409 4763  4763  4763  sshd -f /etc/ssh/sshd_config -R
user 22411 22409 22411 22411 tail -f /etc/passwd

##</code><code>##

UID  PID   PPID  PGID  SID   CMD
user 22411 1     22411 22411 tail -f /etc/passwd

##</code><code>##

PID - Child's process ID
PGRP - Parents process group