Linux fdisk命令
Linux fdisk是一个创建和维护分区表的程序，它兼容DOS类型的分区表、BSD或者SUN类型的磁盘列表。
语法
fdisk [必要参数][选择参数]
必要参数:
- -l 列出素所有分区表
- -u 与"-l"搭配使用，显示分区数目
选择参数:
- -s<分区编号> 指定分区
- -v 版本信息
菜单操作说明
- m :显示菜单和帮助信息
- a :活动分区标记/引导分区
- d :删除分区
- l :显示分区类型
- n :新建分区
- p :显示分区信息
- q :退出不保存
- t :设置分区号
- v :进行分区检查
- w :保存修改
- x :扩展应用，高级功能
实例
显示当前分区情况:
# fdisk -l
Disk /dev/sda: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 1305 10377990 8e Linux LVM
Disk /dev/sdb: 5368 MB, 5368709120 bytes
255 heads, 63 sectors/track, 652 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdb doesn't contain a valid partition table
显示SCSI硬盘的每个分区情况
# fdisk -lu
Disk /dev/sda: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders, total 20971520 sectors
Units = sectors of 1 * 512 = 512 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 63 208844 104391 83 Linux
/dev/sda2 208845 20964824 10377990 8e Linux LVM
Disk /dev/sdb: 5368 MB, 5368709120 bytes
255 heads, 63 sectors/track, 652 cylinders, total 10485760 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk /dev/sdb doesn't contain a valid partition table
