By: Sandya Mannarswamy

The author is an expert in systems software and is currently working as a research scientist at Xerox India Research Centre. Her interests include compilers, programming languages, file systems and natural language processing. If you are preparing for systems software interviews, you may find it useful to visit Sandya’s LinkedIn group, Computer Science Interview Training India, at http://www.linkedin. com/groups?home=&gid=2339182