1
mount -t auto /dev/cdrom /mnt/cdrom
2
mount: mount point /mnt/cdrom does not exist           /mnt/cdrom目录不存在，需要先创建。
3

4
cd /mnt
5
-bash: cd: /mnt: No such file or directory
6

7
mkdir -p /mnt/cdrom    创建/mnt/cdrom目录
8
ls
9
bin   dev  home    lib         media  mnt  proc  sbin     srv  tmp  var
10
boot  etc  initrd  lost+found  misc   opt  root  selinux  sys  usr
11

12
mount -t auto /dev/cdrom /mnt/cdrom     挂载cdrom
13
mount: block device /dev/cdrom is write-protected, mounting read-only     挂载成功
14

15
ll /mnt/cdrom    查看cdrom里面内容
16
total 859
17
dr-xr-xr-x  4 root root   2048 Sep  4  2005 CentOS
18
-r--r--r--  2 root root   8859 Mar 19  2005 centosdocs-man.css
19
-r--r--r--  9 root root  18009 Mar  1  2005 GPL
20
dr-xr-xr-x  2 root root 241664 May  7 02:32 headers
21
dr-xr-xr-x  4 root root   2048 May  7 02:23 images
22
dr-xr-xr-x  2 root root   4096 May  7 02:23 isolinux
23
dr-xr-xr-x  2 root root  18432 May  2 18:50 NOTES
24
-r--r--r--  2 root root   5443 May  7 01:49 RELEASE-NOTES-en.html
25
dr-xr-xr-x  2 root root   2048 May  7 02:34 repodata
26
-r--r--r--  9 root root   1795 Mar  1  2005 rpm-GPG-KEY
27
-r--r--r--  2 root root   1795 Mar  1  2005 RPM-GPG-KEY-centos4
28
-r--r--r--  1 root root 571730 May  7 01:39 yumgroups.xml