Connect to acme.gatech.edu using your gatech id on your command prompt, Just type in these commands line by line(!): export ORACLE_HOME=/u1/oracle/10.2.0 export ORACLE_SID=public export ORAENV_ASK=No; . oraenv; unset ORAENV_ASK export LD_LIBRARY_PATH=$ORACLE_HOME/lib export CLASSPATH="$ORACLE_HOME/jdbc:$ORACLE_HOME/jdbc/lib/classes12.zip:$ORACLE_HOME/jdbc/lib/nls_charset12.zip:." export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$LD_LIBRARY_PATH/jdbc/lib" export PATH=$PATH:$ORACLE_HOME/bin And type in sqlplus /