How to check whether oracle is installed in linux

How to check whether oracle is installed in Linux: check whether the oracle process is used, the code is [ps -ef | grep ora], generally install oracle, the default user [id oracle] of oracle will be.

How to check whether Oracle is installed in Linux:

If Oracle is installed, check whether the Oracle process is used. The syntax is:

ps -ef | grep ora

Generally, when installing Oracle, there will be an Oracle user by default.

id oracle

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