...ew shared memory object initially has zero length—the size of the object can be set using ftruncate (2). The newly allocated bytes of a shared memory object are automatically in…...ew shared memory object initially has zero length—the size of the object can be set using ftruncate (2). The newly allocated bytes of a shared memory object are automatically in…map or unmap files or devices into memory NAME mmap, munmap - map or unmap files or devices into memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mman.h> voi…