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32.2. Creating Oracle Directories

Make sure that the Oracle file systems, in this example /u01, is large enough, see Section 30.5, “Sizing Oracle Disk Space” for more information. 
su - root
#mkdir -p /u01/app/oracle/product/9.2.0
#chown -R oracle.oinstall /u01
			
#mkdir /var/opt/oracle
#chown oracle.dba /var/opt/oracle
#chmod 755 /var/opt/oracle