$ cat .profile
export ORACLE_HOME=/u01/app/oracle/product/9.2.0
export ORACLE_SID=mutation
export ORACLE_BASE=/u01/app/oracle
export ORACLE_TERM=vt100
export PATH=$PATH:/bin:/usr/ccs/bin:/usr/openwin/bin:/usr/local/bin:.:$ORACLE_HOME/bin
export CLASSPATH=$ORACLE_HOME/jdbc/lib/classes12.jar:.
export SHLIB_PATH=$ORACLE_HOME/lib:$ORACLE_HOME/jdbc/lib
export LD_LIBRARY_PATH=$ORACLE_HOME/lib32:$ORACLE_HOME/rdbms/lib32:$SHLIB_PATH
export TNS_ADMIN=$ORACLE_HOME/network/admin

host1=`hostname`
host2=`echo $host1 &#124cut -f1 -d"."`
PS1='$host2:$PWD >'

HISTFILE='.sh_history'
export HISTFILE
HISTSIZE=400
export HISTSIZE
set -o vi

stty kill "^U" intr "^C" eof "^D"
stty erase ^H
#stty hupcl ixon ixoff

alias enscript='/usr/local/bin/enscript'
alias lp2='enscript -2r -G -j -f Courier7 -dhp321t'
alias lpcourier='enscript -G -f Courier10 -dhp321t'
alias lptimes='enscript -G -f Times-Roman12 -dhp321t'
alias lpwide='enscript -G -f Courier10 -r -dhp321t'
alias dfk='$ORACLE_HOME/bin/dfk.pl'

#!/bin/ksh
#sidlist=`cut -d: -f1,2/etc/oratab`
#echo "SIDS on this machine are:n$sidlist"
#ORAENV_ASK=
#./u01/app/oracle/product/8.0.5/bin/oraenv
DISPLAY=mutation.xx.xx.xxx:0.0
export DISPLAY
cd /home/oracle/scr

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im using the above profile
change the paths for ORACLE_HOME if needed.
i have some customizations( alias) which you may not be intrested in.