Install Oracle 10G Red Hat Linux 6' title='Install Oracle 10G Red Hat Linux 6' />Setting an Oracle Environment variable ORACLEHOME. Hello,When I check my blog hit counter statistics, my blog is being hit and searched by the blog users with the word Oracle Home, but, looks like they are not finding the required information on Oracle Home Environment variable. So, I wanted to explain about ORACLEHOME in my simple terms which is helpful for novice. What is ORACLEHOME used for The ORACLEHOME is an environment variable which is used to set and define the path of Oracle Home server Directory. The ORACLEHOME directory will have the sub directories, binaries, executables, programs, scripts, etc. How can I quickly create a large file on a Linux Red Hat Linux system dd will do the job, but reading from devzero and writing to the drive can take a long time. Sektor ERP. Specjalizujemy si we wdraaniu nowoczesnych rozwiza do zarzdzania dla mikro, maych, rednich oraz duych przedsibiorstw. DB11gR2/06-TypicalInstallConfiguration.jpg' alt='Install Oracle 10G Red Hat Linux 6' title='Install Oracle 10G Red Hat Linux 6' />Oracle Database. This directory can be used by any user who wants to use the particular database. If the ORACLEHOME variable is defined as an environment variable, then during the installation process, the Oracle Home Path will be set to the directory defined as default. If the variable is not defined, then the Oracle will take its own default location. The ORACLEHOME variable does not have to be preset as an environment variable, it can be set during the installation process. Basically The ORACLEHOME variable is in the following ORACLEBASE directory ORACLEHOMEORACLEBASEproduct1. What is ORACLEBASE used forThe ORACLEBASE is also an environment variable to define the baseroot level directory where you will have the Oracle Database directory tree ORACLEHOME defined under the ORACLEBASE directory. Basically, The ORACLEBASE directory is a higher level directory, than ORACLEHOME, that you can use to install the various Oracle Software Products and the same Oracle base directory can be used for more than one installation. Note If you did not set the ORACLEBASE environment variable before starting OUI, the Oracle home directory is created in an appusernamedirectory on the first existing and writable directory from u. UNIX and Linux systems, or on the disk drive with the most available space for Windows systems. If u. 01 through u. UNIX or Linux system, then the default location is userhomedirectoryappusername. How to check if ORACLEHOME is set already On UnixLinux Systems Basically, before or after the Oracle Database is installed, the oracle user profile, the environment variable file, is prepared where all the required environment variables for Oracle are set. ORACLEBASE, ORACLEHOME, ORACLESID,PATH, LDLIBRARYPATH, NLSLANG, etc. The user profile file can be. Bash Shell. profile Bourne Shell or Korn shell. C Shell. Note This user profile file will be under users home directory i. HOME. bashprofile. To check specific environment variable set echo ORACLEHOMETo check all the environment variables set env. On Windows Systems To check specific environment variable set C set ORACLEHOMEORC echo ORACLEHOMETo check all the environment variables set C set. Or. C env. Other way, to check the ORACLEHOME, is as follows. Start Run Regedit enter HKEYLOCALMACHINE SOFTWARE ORACLEi. My ComputerHKEYLOCALMACHINESOFTWAREORACLEHow to check using sqlplus command To find the ORACLEHOME path in Oracle Database. 04 Sti Injectors Installed In 03 Wrx Specs here. How to set the ORACLEHOME environment variable On UnixLinux Systems Define the ORACLEHOME value in the user profile file i. ORACLEHOMEORACLEBASEproduct1. ORACLEHOMESource the user profile as follows Bash shell. Bourne shell or Korn shell. C shell source. If no profile file is set with environment variables, then physically also be set as follows Bourne, Bash, or Korn shell ORACLEBASEoracleapp export ORACLEBASE ORACLEHOMEORACLEBASEproduct1. ORACLEHOMEC Shell setenv ORACLEBASE oracleapp setenv ORACLEHOME oracleappproduct1. On Windows Systems My Computer Properties Advanced Environment Variables System Variables NewEditDelete to set the variablesAfter setting the environment variables as above, open a fresh CMD tool and check whether they set properly or not. Do not try on already opened CMD tool to make sure the variables set or not. Another way to physically set the variables as follow at the DOS prompt C set ORACLEHOMEC oracleappproduct1. C echo ORACLEHOMENote I would suggest to refer the Oracle Documentation on Installation where these environment variables are discussed and explained with the enough information. Regards,Sabdar Syed.