I was referred to Yahoo! by a friend after which the hiring manager reached out to me with regards to an opening in a team which sounded really interesting. Instead of the usual telephone chat, I decided to walk into Yahoo HQ. We had an hour long conversation/interview where we primarily spoke about issues one would face writing software on linux platforms - OOM killer, cgroups, /proc. I felt this to be one of the best conversations. After this, I was called onsite. For Yahoo!, this moved pretty quick. The hiring manager made a very sincere effort to hasten the onsite process. I met 3 people for my onsite. ++ Onsite 1 ++ In a client/server scenario, serialize/de-serialize a balanced binary tree which is to be sent from the client to the server. Linux system programming fundamentals including /proc filesystem, OOM killer ++ Onsite 2 ++ Linux system fundamentals - more /proc filesystem based questions Structure of a binary (assuming ELF) on Linux. Programmatically print the offset of a member inside a variable of struct type. Virtual Memory fundamentals ++ Onsite 3 ++ Given a binary min heap, insert a new member.