Access Env of anothe process

• Read env of another process: http://unix.stackexchange.com/questions/29128/how-to-read-environment-variables-of-a-process

1. xargs --null --max-args=1 echo < /proc/<pid>/environ
2.  ps wwwe <pid> | tr  ' ' '\n'

• Orphan vs Zombie vs Daemon processes: http://gmarik.info/blog/2012/08/15/orphan-vs-zombie-vs-daemon-processes

•  How To Kill Defunct Or Zombie Process: source: http://www.linuxnix.com/how-to-kill-defunct-or-zombie-process/