By: Sandya Mannarswamy

The author is an expert in systems software and is currently working with Hewlett Packard India Ltd. Her interests include compilers, multi-core and storage systems. 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=HYPERLINK “http://www.linkedin.com/ groups?home=&gid=2339182”&HYPERLINK “http://www.linkedin. com/groups?home=&gid=2339182”gid=2339182