Oracle profile within O.S.

.bash_profile

# Oracle Environment
export TMP=/tmpexport TMPDIR=$TMPexport ORACLE_HOSTNAME=ol7-121-server1.localdomainexport ORACLE_UNQNAME=agapexport ORACLE_BASE=/u01/app/oracleexport GRID_HOME=$ORACLE_BASE/product/12.1.0.2/grid_1export DB_HOME=$ORACLE_BASE/product/12.1.0.2/db_1export ORACLE_HOME=$DB_HOMEexport ORACLE_SID=agapexport ORACLE_TERM=xtermexport BASE_PATH=/usr/sbin:$PATHexport PATH=$ORACLE_HOME/bin:$BASE_PATHexport LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/libexport CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib
alias db_env='. /home/oracle/db_env'
alias grid_env='. /home/oracle/grid_env'

export PS1="\e[0;36m[\u@\h \W]\$ \e[m "

# NLS_LANG
export NLS_LANG=AMERICAN_AMERICA.WE8MSWIN1252

grid_env

export ORACLE_SID=+ASM
export ORACLE_HOME=$GRID_HOME
export PATH=$ORACLE_HOME/bin:$BASE_PATH
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib

export CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib

db_env

export ORACLE_SID=agap
export ORACLE_HOME=$DB_HOME
export PATH=$ORACLE_HOME/bin:$BASE_PATH
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib

export CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib