roles and responsibilites in unix shell scripting as a production support consultant

what are the roles and responsibilites in unix shell scripting as a production support consultant in oracle database

Well, once You're in the base, You better get Your bits and bytes together and consult the Oracle, or unix man even, for when the shells are flying around You may need all the support You can get.

Keep enviroment variables up to date. E.G.:
export ORACLE_HOME=/oracle/product/9i
export ORACLE_TERM=vt100;