输出ls：
$ ls -lh /
drwxr-xr-x 3 root root 4.0K Dec 9 18:56 boot
drwxr-xr-x 17 root root 4.2K Dec 10 13:57 dev
drwxr-xr-x 92 root root 4.0K Dec 10 13:57 etc
drwxrwxrwx 9 lyndon root 4.0K Dec 9 19:00 home
drwx------ 3 lyndon root 4.0K Dec 6 20:05 homebackup
lrwxrwxrwx 1 root root 33 Dec 8 06:35 initrd.img -> boot/initrd.img-3.13.0-40-generic
lrwxrwxrwx 1 root root 33 Dec 7 17:01 initrd.img.old -> boot/initrd.img-3.13.0-32-generic
drwxr-xr-x 21 root root 4.0K Dec 7 17:02 lib
drwxr-xr-x 2 root root 4.0K Dec 7 17:06 lib64
drwx------ 2 root root 16K Dec 7 17:00 lost+found
drwxr-xr-x 3 root root 4.0K Dec 7 17:00 media
drwxr-xr-x 2 root root 4.0K Apr 10 2014 mnt
drwxr-xr-x 2 root root 4.0K Jul 22 18:48 opt
dr-xr-xr-x 113 root root 0 Dec 10 13:57 proc
drwx------ 5 root root 4.0K Dec 9 18:48 root
drwxr-xr-x 20 root root 680 Dec 10 17:06 run
drwxr-xr-x 2 root root 12K Dec 9 18:56 sbin
drwxr-xr-x 3 root root 4.0K Dec 9 18:57 srv
dr-xr-xr-x 13 root root 0 Dec 10 13:57 sys
drwxrwxrwt 2 root root 4.0K Dec 10 16:17 tmp
drwxr-xr-x 10 root root 4.0K Dec 7 17:00 usr
drwxr-xr-x 12 root root 4.0K Dec 7 17:02 var
lrwxrwxrwx 1 root root 30 Dec 8 06:35 vmlinuz -> boot/vmlinuz-3.13.0-40-generic
lrwxrwxrwx 1 root root 30 Dec 7 17:01 vmlinuz.old -> boot/vmlinuz-3.13.0-32-generic
如果我将chmod的每个子目录都复制到 会发生什么？这样做会导致任何错误吗？/770
答案1
不，这不行。当然会有错误。您将无法访问文件系统。并且可能必须启动到实时环境才能修复它。