What happens in Linux Shell when trying to run ls command, Describe TCP protocol, how is TCP different from UDP and when to use each one, DNS uses UDP or TCP protocol, What is the size of UDP packet, Describe what is a struct, enum and union in C, describe the memory structure on the operating system (heap,data and stack)
Sigiloso
Ordinary questions mainly about Unix and Networking. Be prepared to know everything and expect to answer every question in great detail.