I am accessing my VPS via SHH. My pstree is:

Code:
init-+-apache2---2*[apache2]
     |-cron
     |-sendmail-mta
     |-sshd-+-sshd---sftp-server
     |      `-sshd---sshd---bash---pstree
     |-syslogd
     `-xinetd
How do I stop the apache2?