Manually database creation on linux

[oracle@alwarid-taj /]$ cd /home/oracle/oracle/product/10.2.0/db_1/bin
[oracle@alwarid-taj bin]$ ./dbca









































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[oracle@alwarid-taj /]$ cd /home/oracle/oracle/product/10.2.0/db_1/admin/orcl/scripts
[oracle@alwarid-taj scripts]$ ls
cloneDBCreation.sql initorclTemp.ora postDBCreation.sql
CloneRmanRestore.sql orcl.sh postScripts.sql
init.ora orcl.sql rmanRestoreDatafiles.sql
[oracle@alwarid-taj scripts]$



[oracle@alwarid-taj scripts]$ pwd
/home/oracle/oracle/product/10.2.0/db_1/admin/orcl/scripts

[oracle@alwarid-taj scripts]$ cat orcl.sh
#!/bin/sh

mkdir -p /home/oracle/oracle/product/10.2.0/db_1/admin/orcl/adump
mkdir -p /home/oracle/oracle/product/10.2.0/db_1/admin/orcl/bdump
mkdir -p /home/oracle/oracle/product/10.2.0/db_1/admin/orcl/cdump
mkdir -p /home/oracle/oracle/product/10.2.0/db_1/admin/orcl/dpdump
mkdir -p /home/oracle/oracle/product/10.2.0/db_1/admin/orcl/pfile
mkdir -p /home/oracle/oracle/product/10.2.0/db_1/admin/orcl/udump
mkdir -p /home/oracle/oracle/product/10.2.0/db_1/cfgtoollogs/dbca/orcl
mkdir -p /home/oracle/oracle/product/10.2.0/db_1/dbs
mkdir -p /home/oracle/oracle/product/10.2.0/db_1/flash_recovery_area
mkdir -p /home/oracle/oracle/product/10.2.0/db_1/oradata/orcl
ORACLE_SID=orcl; export ORACLE_SID
echo You should Add this entry in the /etc/oratab: orcl:/home/oracle/oracle/product/10.2.0/db_1:Y/home/oracle/oracle/product/10.2.0/db_1/bin/sqlplus /nolog @/home/oracle/oracle/product/10.2.0/db_1/admin/orcl/scripts/orcl.sql




[oracle@alwarid-taj scripts]$ ./orcl.sh
You should Add this entry in the /etc/oratab: orcl:/home/oracle/oracle/product/10.2.0/db_1:Y
Error 6 initializing SQL*Plus
Message file sp1.msb not found
SP2-0750: You may need to set ORACLE_HOME to your Oracle software directory
[oracle@alwarid-taj scripts]$ export ORACLE_HOME=/home/oracle/oracle/product/10.2.0/db_1