INSERT /*+ APPEND */ a good idea ?

Sometimes , sometimes not
1) not good for many small inserts as it appends each insert above the high water mark, leaving lots of unused space
2) only one session at a time can do it at a time

see
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:1211797200346279484

Oracle install on non Redhat Linux platform

./runInstaller -ignoreSysPrereqs


Specifically ODI

./runInstaller -ignoreSysPrereqs

Installs without a problem
except I had to chmod +x unzip

Post-install
JAVA_HOME=~/OraHome_1/jre/1.4.2
export JAVA_HOME

Then run
./operator.sh