# pstree | egrep -A6 -B6  dsync
     |-sshd-+-sshd---sshd---bash---sudo---su---bash
     |      `-sshd---sshd---bash---screen---screen-+-bash
     |                                             `-bash---sudo---bash-+-egrep
     |                                                                  `-pstree
     |-2*[sudo---su---bash---dsync---ssh]
     |-systemd-logind
     |-systemd-udevd
     |-upstart-file-br
     |-upstart-socket-
     `-upstart-udev-br
# pgrep dsync
9287
25468
# pgrep dsync | xargs kill -9
# pgrep dsync
9287
25468
# ps aux | egrep dsync
root      3682  0.0  0.0   8160   916 pts/7    S+   11:29   0:00 egrep --color=auto dsync
vmail     9287  0.0  0.0  30876  2472 ?        D    Mar03   0:00 dsync -D -v -u
vmail    25468  0.0  0.0  30876  3316 ?        D    11:14   0:00 dsync -D -v -u

# ps auxf | egrep dsync
root      6198  0.0  0.0   8160   916 pts/7    S+   11:33   0:00                                  \_ egrep --color=auto dsync
vmail     9287  0.0  0.0  30876  2472 ?        D    Mar03   0:00          \_ dsync -D -v -u -o mail_location=maildir:
vmail    25468  0.0  0.0  30876  3316 ?        D    11:14   0:00          \_ dsync -D -v -u -o mail_location=maildir: