1 votes 1 votes what is the mode used when page tables of a process are loaded and modified?--KERNEL /USER? are page tables of the process also stored in process control block?? Operating System operating-system + – Akriti sood asked Jan 12, 2017 Akriti sood 570 views answer comment Share Follow See all 7 Comments See all 7 7 Comments reply Show 4 previous comments Akriti sood commented Jan 12, 2017 reply Follow Share alright..and any good link for various operations in user mode and kernel mode? and also while switchinf from user mode to kernel mode,which system call or instruction is used and vice-versa 0 votes 0 votes mohit chawla commented Jan 12, 2017 reply Follow Share @akriti, first try to find it by yourself, it is a good habit and moreover i mostly rely on wikipedia n stackoverflow.so i guess this is the link you need i guess http://stackoverflow.com/questions/1311402/differences-between-user-and-kernel-modes . hope it helps. no offence though. 0 votes 0 votes Akriti sood commented Jan 12, 2017 reply Follow Share thanks @mohit:-) 0 votes 0 votes Please log in or register to add a comment.