i want to know more about the interview what are the difficulties the questions , linux questions , docker,k8s , ci/cd for me the hr interview was very good , the hr was very kind she speak about toptal and ask me about the desire salary

bash: sum between input numbers. bash: fibonacci, some input numbers and only 1 outpu. bash random question, like what $? does? or something related to some commands, like ls or cat. Pretty normal. Ssr level for linux.