Pergunta de entrevista da empresa Amazon

This round was based on Operating System questions -What is kernel? -What is system calls, how they are executed? -Questions based on process synchronization, mutex, semaphores (binary and counting) -Linux file system, inode -Virtual memory, addressing, paging, segmentation, fragmentation -Page fault, thrashing -Busy wait, spin lock, deadlocks etc. -Process schedulers, dispatcher