root      1724     1  0 11:47 ?        00:00:00 nginx: master process /usr/local/nginx/sbin/nginx
www-data  1726  1724  0 11:47 ?        00:00:00 nginx: worker process
www-data  1728  1724  0 11:47 ?        00:00:00 nginx: worker process
www-data  1729  1724  0 11:47 ?        00:00:00 nginx: worker process
www-data  1730  1724  0 11:47 ?        00:00:00 nginx: worker process
www-data  1731  1724  0 11:47 ?        00:00:00 nginx: worker process
www-data  1732  1724  0 11:47 ?        00:00:00 nginx: worker process
www-data  1733  1724  0 11:47 ?        00:00:00 nginx: worker process
www-data  1734  1724  0 11:47 ?        00:00:00 nginx: worker process
www-data  1735  1724  0 11:47 ?        00:00:00 nginx: cache manager process
root      6326  4031  0 11:53 pts/3    00:00:00 grep 1724