Figure 12-1.VFS role in a simple file copy operation cp inf open("/floppy/TEST",O_RDONLY,0); outf = open("/tmp/test" VFS O WRONLY|O_CREAT]O_TRUNC,0600); do i=read(inf,buf,4096); write(outf,buf,i); while (i); close(outf); close(inf)月 Ext2 MS-DOS /tmp/test /floppy/TEST (a) (6) 室2023/7/14 Linux OS analysis 21/92