---

   sfdisk    ( 8 )

---

Команды (Commands)

The commands are mutually exclusive.

[-N partition-number] device The default sfdisk command is to read the specification for the desired partitioning of device from standard input, and then create a partition table according to the specification. See below for the description of the input format. If standard input is a terminal, then sfdisk starts an interactive session.

If the option -N is specified, then the changes are applied to the partition addressed by partition-number. The unspecified fields of the partition are not modified.

Note that it's possible to address an unused partition with -N. For example, an MBR always contains 4 partitions, but the number of used partitions may be smaller. In this case sfdisk follows the default values from the partition table and does not use built-in defaults for the unused partition given with -N. See also --append.

-A, --activate device [partition-number...] Switch on the bootable flag for the specified partitions and switch off the bootable flag on all unspecified partitions. The special placeholder '-' may be used instead of the partition numbers to switch off the bootable flag on all partitions.

The activation command is supported for MBR and PMBR only. If a GPT label is detected, then sfdisk prints warning and automatically enters PMBR.

If no partition-number is specified, then list the partitions with an enabled flag.

--delete device [partition-number...] Delete all or the specified partitions.

-d, --dump device Dump the partitions of a device in a format that is usable as input to sfdisk. See the section BACKING UP THE PARTITION TABLE.

-g, --show-geometry [device...] List the geometry of all or the specified devices. For backward compatibility the deprecated option --show-pt-geometry have the same meaning as this one.

-J, --json device Dump the partitions of a device in JSON format. Note that sfdisk is not able to use JSON as input format.

-l, --list [device...] List the partitions of all or the specified devices. This command can be used together with --verify.

-F, --list-free [device...] List the free unpartitioned areas on all or the specified devices.

--part-attrs device partition-number [attributes] Change the GPT partition attribute bits. If attributes is not specified, then print the current partition settings. The attributes argument is a comma- or space-delimited list of bits numbers or bit names. For example, the string "RequiredPartition,50,51" sets three bits. The currently supported attribute bits are:

Bit 0 (RequiredPartition) If this bit is set, the partition is required for the platform to function. The creator of the partition indicates that deletion or modification of the contents can result in loss of platform features or failure for the platform to boot or operate. The system cannot function normally if this partition is removed, and it should be considered part of the hardware of the system.

Bit 1 (NoBlockIOProtocol) EFI firmware should ignore the content of the partition and not try to read from it.

Bit 2 (LegacyBIOSBootable) The partition may be bootable by legacy BIOS firmware.

Bits 3-47 Undefined and must be zero. Reserved for expansion by future versions of the UEFI specification.

Bits 48-63 Reserved for GUID specific use. The use of these bits will vary depending on the partition type. For example Microsoft uses bit 60 to indicate read-only, 61 for shadow copy of another partition, 62 for hidden partitions and 63 to disable automount.

--part-label device partition-number [label] Change the GPT partition name (label). If label is not specified, then print the current partition label.

--part-type device partition-number [type] Change the partition type. If type is not specified, then print the current partition type.

The type argument is hexadecimal for MBR, GUID for GPT, type alias (e.g. "linux") or type shortcut (e.g. 'L'). For backward compatibility the options -c and --id have the same meaning as this one.

--part-uuid device partition-number [uuid] Change the GPT partition UUID. If uuid is not specified, then print the current partition UUID.

--disk-id device [id] Change the disk identifier. If id is not specified, then print the current identifier. The identifier is UUID for GPT or unsigned integer for MBR.

-r, --reorder device Renumber the partitions, ordering them by their start offset.

-s, --show-size [device...] List the sizes of all or the specified devices in units of 1024 byte size. This command is DEPRECATED in favour of blockdev(8).

-T, --list-types Print all supported types for the current disk label or the label specified by --label.

-V, --verify [device...] Test whether the partition table and partitions seem correct.

--relocate oper device Relocate partition table header. This command is currently supported for GPT header only. The argument oper can be:

gpt-bak-std Move GPT backup header to the standard location at the end of the device.

gpt-bak-mini Move GPT backup header behind the last partition. Note that UEFI standard requires the backup header at the end of the device and partitioning tools can automatically relocate the header to follow the standard.