Which of the following is wrong about the description of system calls:()
A、Systemcallistheunderlyingprogramminginterfaceprovidedbytheoperatingsystemtotheuser.;
B、Systemcallsexistinkernelspace.;
C、Systemcallsareimplementedbycallinglibraryfunctions.;
D、Improperuseofsystemcalldoesgreatharmtothesystem.
发布时间：2025-07-18 15:03:32
