USER 
root 1 0 root nginx: master process nginx -g daemon off;
root 31 1 nginx nginx: worker process
root 32 1 nginx nginx: worker process
root 33 0 root /bin/bash
root 381 33 root sleep 999991
root 382 33 root sleep 999992
root 383 33 root sleep 999993
root 469 0 root sh -c if ps --help 2>&1   grep -qi busybox; then ps -eo user,pid,ppid,comm; else ps -ewwo user,pid,ppid,command; fi
root 477 469 root ps -ewwo user,pid,ppid,command