Need help in c program. Thank you so much.
Setting up a System Call A system call must be both available inthe user space and kernel space. It must be available in user spaceso that it can be used other programs and it must be available inkernel space so has permission to access resources that prohibitedfrom user mode. User Mode Files When we call a system call, we areactually invoking a trap in the kernel. However, we wish to avoidwriting assembly code or traps in our programs. So wrappers,written in a high-level language, will “wrap” around the assemblycode which will allow
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