Kindly help me out as soon as possible, and thanks in advance.
Linux and Oracle would be a good combination if your primary role is going to be as a DBA. To administer Oracle on Linux, you need a basic understanding of the inter-workings of the operating system, an understanding of the file systems and commands, and some basic scripting knowledge. However, I do not think you need to go as far as getting certified in Linux unless your primary role will be as a system administrator. Start with an introductory book such as Linux for Dummies and do as much research online as you can before you start your job. If your role changes later or you wish to enhance your resume, you can always take the Red Hat certification after you are hired and have had some hands on experience.
Hope this helps.
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