참고: http://www.oracle-base.com/articles/10g/OracleDB10gR2InstallationOnRHEL5.php
1. 오라클 계정 생성
#groupadd dba; useradd -d /oracle -m -g dba oracle
2. 오라클 계정의 .profile 설정
export ORACLE_BASE=/oracle; export ORACLE_HOME=/oracle/product/10gr2; export ORACLE_SID=fox; export ORACLE_OWNER=oracle; export ORACLE_PATH=$ORACLE_HOME/bin; export ORACLE_DOC=$ORACLE_HOME/ocommon/nls/admin/data; export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ORACLE_HOME/lib32:$ORACLE_HOME/lib:$ORACLE_HOME/jdbc/lib; PATH=$PATH:/$ORACLE_HOME/bin:$ORACLE_HOME/network/admin;