Akhilesh Suresh Shirbhate akhilesh@it.iitb.ac.in said:
Now, I want to redirect the STDOUT and STDERR of the running background process to some files , say r1.txt or r2.txt without stopping or affecting the process.
Places to look at Bash Programming Howto - http://www.tldp.org/HOWTO/Bash-Prog-Intro- HOWTO.html#toc3
Advanced Bash Scripting Guide - http://www.tldp.org/LDP/abs/html/io- redirection.html
You should be able to take it forward from there :)