std in/out/err redirection in sub process of forked process

std in/out/err redirection in sub process of forked process

References

Reference NO 1

http://stackoverflow.com/questions/15165686/std-in-out-err-redirection-in-sub-process-of-forked-process

Reference NO 2

http://stackoverflow.com/questions/16730456/redirect-io-for-child-process

Reference NO 3

http://docs.python.org/library/subprocess.html

Reference NO 4

http://www.ruby-doc.org/core-1.9.3/Process.html

Reference NO 5

http://docs.oracle.com/javase/7/docs/api/java/lang/ProcessBuilder.html

Reference NO 6

http://jimmyg.org/blog/2009/working-with-python-subprocess.html

Reference NO 7

http://apidock.com/ruby/Kernel/spawn

Reference NO 8

http://www.makelinux.net/alp/038