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Linux sfdisk command

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Linux sfdisk command is a hard disk partition utility.

sfdisk utility to partition a hard disk can be set to display information partition and check the partition is normal.

grammar

sfdisk [-?Tvx][-d <硬盘>][-g <硬盘>][-l <硬盘>][-s <分区>][-V <硬盘>]

Parameters:

  • -? Or --help displays help.
  • -d <hard disk> Display hard disk partition settings.
  • -g <hard disk> or --show-geometry <hard disk> Display hard disk CHS parameters.
  • -l <hard disk> Display settings after a hard disk partition.
  • -s <partition> display size of the partition in units of blocks.
  • -T Or --list-types show all sfdisk can recognize the file system ID.
  • -v or --version display version information.
  • -V <Hard disk> or --verify <hard disk> check the hard disk partition is normal.
  • -x or --show-extend display an extended partition logical partition.

Examples

Display partition information:

# sfdisk -l

Disk /dev/sda: 1305 cylinders, 255 heads, 63 sectors/track
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

Device Boot Start End #cyls #blocks Id System
/dev/sda1 * 0+ 12 13- 104391 83 Linux
/dev/sda2 13 1304 1292 10377990 8e Linux LVM
/dev/sda3 0 - 0 0 0 Empty
/dev/sda4 0 - 0 0 0 Empty

Disk /dev/sdb: 652 cylinders, 255 heads, 63 sectors/track

sfdisk: ERROR: sector 0 does not have an msdos signature
/dev/sdb: unrecognized partition
No partitions found

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