The importance of kernel-level system calls fork, vfork… here is a solution to the problem.
The importance of kernel-level system calls fork, vfork
When using ltrace to trace system calls, programs that use fork, vfork… It shows the invocation SYS_Clone system call. So what is the importance of SYS_fork, SYS_vfork system calls in the kernel. Are they for historical purposes?