1 votes 1 votes does operating system always runs in privileged mode or is there any other way also? Operating System operating-system + – cse7 asked Oct 22, 2016 cse7 573 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Habibkhan commented Oct 22, 2016 reply Follow Share When we say operating system itself , it is referred to kernel i.e. the core of the OS.By execution of operating system we mean execution of system programs which is very critical from system point of view. So from that point of view yes OS runs in priveleged mode.The things external to it are run in non priveleged mode. 1 votes 1 votes cse7 commented Oct 22, 2016 reply Follow Share I must say response was quick as always. thanks habib :) 0 votes 0 votes Please log in or register to add a comment.