) Spawn the init process 작성main.c → spawn_init_process()6) Spawn a process by reading an executable from ... a filesystem 작성user.c → spawn()7) Parse an ELF executable image 작성elf.c → parse_elf_executable()8 ... */void *buf; /* buffer to store executable file (ELF format) */ulong_t fileLen; /* length of ELF file