Обработать команду Issue (PSBeginner Issue)

Прежде всего извините за этот неубедительный вопрос, после убийства он все еще работает, я новичок,

rohit@something:~$ ps
  PID TTY          TIME CMD
 4596 pts/1    00:00:02 bash
 4618 pts/1    00:00:02 du
 4620 pts/1    00:00:00 du
 4675 pts/1    00:00:00 wget
 4875 pts/1    00:00:08 find
 4876 pts/1    00:00:09 find
 5396 pts/1    00:00:04 find
 5402 pts/1    00:00:06 find
 5405 pts/1    00:00:14 find
 5409 pts/1    00:00:02 find
 5626 pts/1    00:00:01 bash
 6210 pts/1    00:00:00 ps

rohit@something:~$ kill 4618

rohit@something:~$ ps
  PID TTY          TIME CMD
 4596 pts/1    00:00:02 bash
 4618 pts/1    00:00:02 du
 4620 pts/1    00:00:00 du
 4675 pts/1    00:00:00 wget
 4875 pts/1    00:00:08 find
 4876 pts/1    00:00:09 find
 5396 pts/1    00:00:04 find
 5402 pts/1    00:00:06 find
 5405 pts/1    00:00:14 find
 5409 pts/1    00:00:02 find
 5626 pts/1    00:00:01 bash
 6211 pts/1    00:00:00 ps