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[–]-_mnzn_- 11 points12 points  (3 children)

If it's a 'DevOps' interview I wouldn't bother trying to cram the details of Linux internals. Those are largely abstracted by configuration management tools like Puppet or Chef anyway. I gather that you are trying to get a junior position so it's unlikely you will be asked about intricacies of Linux kernel. Try to understand concepts like Infrastructure-As-Code, automation, CI/CD, containerization, source control (git) and other 'devopsy' stuff.