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chmod 770 根目录“/”可以吗？

tag-icon • tag-icon directory root chmod
chmod 770 根目录“/”可以吗？

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。

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