5 2 points A is the primary entry point into the kernel from a user process. Port Call Library Call API Call System Call 6 1 point What is the first step of the PC bootstrapping process? The BIOS is loaded from ROM into RAM. The BIOS loads the bootloader from the first sector of the boot disk. The BIOS jumps into the bootloader. The CPU begins execution at a ROM address. 7 1 point What is the primary metaphor used by the UNIX ckernel? All the world's a stage, And all the men and women merely players. O All processes and kernel daemons communicate via shared memory. Everything is accessible through a port. Everything is a file