Set environment variables in oracle in linux

In linux, oracle needs to set two environment variables, ORACLE_HOME and ORACLE_SID, and then add the ORACLE bin directory to the PATH. Generally, ORACLE_SID = orcl is installed by default, ORACLE_HOME =/home/oracle/product/10 ...... in this form, the operation steps www.2cto.com: 1. su oracle and press enter to switch to the oracle user; 2. cd and press enter to return to the oracle user directory; cd/home/oraclels-a 3, vi. bash_profile and press enter to edit the file, press I to enter the insert status, and add the following lines at the end: export ORACLE_SID = orclexport ORACLE_HOME =/u01/app/oracle/product/11.2.0/dbhome_1export PATH = $ ORACLE_HOME/bin: $ PA After entering TH www.2cto.com, Press ESC to exit vi editing. Enter wq and press enter to save the disk. Log out of all oracle users, and then log on to oracle. Note that before wq is entered, there is a colon. First enter this: you can enter the command at the bottom of the editor.