title: What does ps auwx | grep nginx means?
body: <p>I got the below output but I want to know what does ps auwx does ?</p>
  
  <p>root      2257  0.0  0.0 159532  1628 ?        Ss   06:07   0:00 nginx: master process /usr/sbin/nginx -g daemon on
  ; master_process on;
  www-data  2258  0.0  0.1 159864  3380 ?        S    06:07   0:00 nginx: worker process
  root      2280  0.0  0.0  12780   952 pts/0    S+   06:08   0:00 grep nginx</p>