To find total use of virtual memory for Apache

#ps -A -o rss,vsz,command|grep httpd | awk '{rss += $1; vsz += $2 } END { print "Real: ",rss, "Virtual: ",vsz }'

Real: 738052 Virtual: 1574468

#namei -mx /home/suresh/public_html/web-az1/
f: /home/suresh/public_html/web-az1/
drwxr-xr-x /
Drwxr-xr-x home
drwxr-xr-x suresh
drwxr-xr-x public_html
drwxr-xr-x web-az1

Use of namei command