[root@localhost ~]# dd if=/dev/zero of=/home/loopdev bs=1M count=512 512+0 records in 512+0 records out 536870912 bytes (537 MB) copied, 1.03367 seconds, 519 MB/s [root@localhost ~]# ll /home 总计 524820 -rw-r--r-- 1 root root 536870912 10-28 18:48 loopdev drwx------ 2 root root 16384 09-13 00:53 lost+found [root@localhost ~]# mkfs -t ext3 /home/loopdev mke2fs 1.39 (29-May-2006) /home/loopdev is not a block special device. Proceed anyway? (y,n) y Filesystem label= OS type: Linux Block size=1024 (log=0) Fragment size=1024 (log=0) 131072 inodes, 524288 blocks 26214 blocks (5.00%) reserved for the super user First data block=1 Maximum filesystem blocks=67633152 64 block groups 8192 blocks per group, 8192 fragments per group 2048 inodes per group Superblock backups stored on blocks: 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409 Writing inode tables: done Creating journal (16384 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 25 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override. [root@localhost ~]# mount -o loop /home/loopdev /media/cdrom [root@localhost ~]# df 文件系统 1K-块 已用 可用 已用% 挂载点 /dev/sda2 9920624 2637116 6771440 29% / /dev/sda5 9297996 677100 8140956 8% /home /dev/sda1 101086 11534 84333 13% /boot tmpfs 517552 0 517552 0% /dev/shm /home/loopdev 507748 18768 462766 4% /media/cdrom [root@localhost ~]# ll /media/cdrom 总计 12 drwx------ 2 root root 12288 10-28 18:50 lost+found [root@localhost ~]# mkdir /mnt/centos_dvd [root@localhost ~]# mount -o loop /root/CentOS-5.5-i386-bin-DVD.iso /mnt/centos_dvd/ [root@localhost ~]# df 文件系统 1K-块 已用 可用 已用% 挂载点 /dev/sda2 9920624 3016248 6392308 33% / /dev/sda5 9297996 677100 8140956 8% /home /dev/sda1 101086 11534 84333 13% /boot tmpfs 517552 0 517552 0% /dev/shm /home/loopdev 507748 18768 462766 4% /media/cdrom /root/CentOS-5.5-i386-bin-DVD.iso 4087030 4087030 0 100% /mnt/centos_dvd [root@localhost ~]# df -h 文件系统 容量 已用 可用 已用% 挂载点 /dev/sda2 9.5G 3.0G 6.1G 33% / /dev/sda5 8.9G 662M 7.8G 8% /home /dev/sda1 99M 12M 83M 13% /boot tmpfs 506M 0 506M 0% /dev/shm /home/loopdev 496M 19M 452M 4% /media/cdrom /root/CentOS-5.5-i386-bin-DVD.iso 3.9G 3.9G 0 100% /mnt/centos_dvd [root@localhost ~]# ll /mnt/centos_dvd/ 总计 496 drwxrwxr-x 2 501 501 421888 2010-04-30 CentOS -rw-r--r-- 1 root root 212 2008-06-15 EULA -rw-r--r-- 1 root root 18009 2008-06-15 GPL drwxr-xr-x 4 root root 2048 2010-04-30 images drwxr-xr-x 2 root root 2048 2010-04-30 isolinux drwxr-xr-x 2 root root 22528 2010-04-27 NOTES -rw-r--r-- 1 root root 655 2010-04-27 RELEASE-NOTES-cs -rw-r--r-- 1 root root 1401 2010-04-27 RELEASE-NOTES-cs.html -rw-r--r-- 1 root root 839 2010-04-27 RELEASE-NOTES-de -rw-r--r-- 1 root root 1571 2010-04-27 RELEASE-NOTES-de.html -rw-r--r-- 1 root root 694 2010-04-27 RELEASE-NOTES-en -rw-r--r-- 1 root root 1367 2010-04-27 RELEASE-NOTES-en.html -rw-r--r-- 1 root root 694 2010-04-27 RELEASE-NOTES-en_US -rw-r--r-- 1 root root 1367 2010-04-27 RELEASE-NOTES-en_US.html -rw-r--r-- 1 root root 788 2010-04-27 RELEASE-NOTES-es -rw-r--r-- 1 root root 1619 2010-04-27 RELEASE-NOTES-es.html -rw-r--r-- 1 root root 852 2010-04-27 RELEASE-NOTES-fr -rw-r--r-- 1 root root 1641 2010-04-27 RELEASE-NOTES-fr.html -rw-r--r-- 1 root root 766 2010-04-27 RELEASE-NOTES-ja -rw-r--r-- 1 root root 1565 2010-04-27 RELEASE-NOTES-ja.html -rw-r--r-- 1 root root 706 2010-04-27 RELEASE-NOTES-nl -rw-r--r-- 1 root root 1433 2010-04-27 RELEASE-NOTES-nl.html -rw-r--r-- 1 root root 752 2010-04-27 RELEASE-NOTES-pt_BR -rw-r--r-- 1 root root 1480 2010-04-27 RELEASE-NOTES-pt_BR.html -rw-r--r-- 1 root root 801 2010-04-27 RELEASE-NOTES-ro -rw-r--r-- 1 root root 1473 2010-04-27 RELEASE-NOTES-ro.html drwxr-xr-x 2 root root 2048 2010-04-30 repodata -rw-r--r-- 1 root root 1512 2008-06-15 RPM-GPG-KEY-beta -rw-r--r-- 1 root root 1504 2008-06-15 RPM-GPG-KEY-CentOS-5 -r--r--r-- 1 root root 7048 2010-04-30 TRANS.TBL
本文暂时没有评论，来添加一个吧(●'◡'●)