基本文件管理，针对Centos7的XFS文件系统备份恢复

在Linux当中一切都是文件

1.1.1  linux系统目录结构

[root@centos7 /]# ll

total 32

lrwxrwxrwx.   1 root root    7 Aug 17 01:00 bin -> usr/bin

dr-xr-xr-x.   5 root root 4096 Nov  9 16:45 boot

drwxr-xr-x.  20 root root 3260 Dec 26 17:07 dev

drwxr-xr-x.  86 root root 8192 Nov 30 20:09 etc

drwxr-xr-x.   5 root root  157 Oct 31 19:03 home

lrwxrwxrwx.   1 root root    7 Aug 17 01:00 lib -> usr/lib

lrwxrwxrwx.   1 root root    9 Aug 17 01:00 lib64 -> usr/lib64

drwxr-xr-x.   2 root root    6 Nov  5  2016 media

drwxr-xr-x.   2 root root    6 Nov  5  2016 mnt

drwxr-xr-x.   2 root root    6 Nov  5  2016 opt

dr-xr-xr-x. 108 root root    0 Dec 26 17:06 proc

dr-xr-x---.  10 root root 4096 Dec 25 10:02 root

drwxr-xr-x.  25 root root  680 Dec 27 11:12 run

lrwxrwxrwx.   1 root root    8 Aug 17 01:00 sbin -> usr/sbin

drwxr-xr-x.   3 root root   20 Oct 31 14:39 src

drwxr-xr-x.   2 root root    6 Nov  5  2016 srv

dr-xr-xr-x.  13 root root    0 Dec 26 17:07 sys

drwxrwxrwt.  23 root root 4096 Dec 27 03:42 tmp

drwxr-xr-x.  13 root root  155 Aug 17 01:00 usr

drwxr-xr-x.  20 root root  278 Nov  9 10:09 var

基本文件管理，针对Centos7的XFS文件系统备份恢复

原文：http://blog.51cto.com/sf1314/2055035