Thanks for the prompt reply.

I checked the path. It's okay. I could run the loader when I login with oracle id from unix box. But it fails when I login with developer id(who actually execute the job) from unix box.

I can't even invoke sqlplus. Echo $PATH and echo $ORACLE_SID shows me the right env. variable. I check the
Note: 1003596.6, however it does not point to my problem.
I am running the statement from the box itself.

thanks once again

abhijit