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/ group s? home=& gid= 2339182"& HYPERLINK " http:// www. linkedin. com/ groups? home=& gid= 2339182" gid= 2339182