The interview process consisted of 3 rounds.

The first round was a technical round where they asked me to reverse a linked list in a single pass, some OS questions, CN questions, pointer output questions, and some basic questions related to arrays, linked lists, and variables.

The second round was the managerial round where I was asked mostly about OS - system calls, mutex locks. Some questions were related to CN - OSI layers, etc.

Reversing a linked list in a single pass.