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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | ENVIRONMENT | EXAMPLE | AUTHORS | SEE ALSO | AVAILABILITY | COLOPHON |
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PARTX(8) System Administration PARTX(8)
partx - tell the kernel about the presence and numbering of on-
disk partitions
partx [-a|-d|-P|-r|-s|-u] [-t type] [-n M:N] [-] disk
partx [-a|-d|-P|-r|-s|-u] [-t type] partition [disk]
Given a device or disk-image, partx tries to parse the partition
table and list its contents. It can also tell the kernel to add
or remove partitions from its bookkeeping.
The disk argument is optional when a partition argument is
provided. To force scanning a partition as if it were a whole
disk (for example to list nested subpartitions), use the argument
"-" (hyphen-minus). For example:
partx --show - /dev/sda3
This will see sda3 as a whole-disk rather than as a partition.
partx is not an fdisk program – adding and removing partitions
does not change the disk, it just tells the kernel about the
presence and numbering of on-disk partitions.
-a, --add
Add the specified partitions, or read the disk and add all
partitions.
-b, --bytes
Print the SIZE column in bytes rather than in human-
readable format.
-d, --delete
Delete the specified partitions or all partitions. It is
not error to remove non-existing partitions, so this
option is possible to use together with large --nr ranges
without care about the current partitions set on the
device.
-g, --noheadings
Do not print a header line with --show or --raw.
-l, --list
List the partitions. Note that all numbers are in
512-byte sectors. This output format is DEPRECATED in
favour of --show. Do not use it in newly written scripts.
-n, --nr M:N
Specify the range of partitions. For backward
compatibility also the format M-N is supported. The range
may contain negative numbers, for example --nr -1:-1 means
the last partition, and --nr -2:-1 means the last two
partitions. Supported range specifications are:
M Specifies just one partition (e.g. --nr 3).
M: Specifies the lower limit only (e.g. --nr
2:).
:N Specifies the upper limit only (e.g. --nr
:4).
M:N Specifies the lower and upper limits (e.g.
--nr 2:4).
-o, --output list
Define the output columns to use for --show, --pairs and
--raw output. If no output arrangement is specified, then
a default set is used. Use --help to get list of all
supported columns. This option cannot be combined with
the --add, --delete, --update or --list options.
--output-all
Output all available columns.
-P, --pairs
List the partitions using the KEY="value" format.
-r, --raw
List the partitions using the raw output format.
-s, --show
List the partitions. The output columns can be selected
and rearranged with the --output option. All numbers
(except SIZE) are in 512-byte sectors.
-t, --type type
Specify the partition table type.
--list-types
List supported partition types and exit.
-u, --update
Update the specified partitions.
-S, --sector-size size
Overwrite default sector size.
-v, --verbose
Verbose mode.
-V, --version
Display version information and exit.
-h, --help
Display help text and exit.
LIBBLKID_DEBUG=all
enables libblkid debug output.
partx --show /dev/sdb3
partx --show --nr 3 /dev/sdb
partx --show /dev/sdb3 /dev/sdb
All three commands list partition 3 of /dev/sdb.
partx --show - /dev/sdb3
Lists all subpartitions on /dev/sdb3 (the device is used
as whole-disk).
partx -o START -g --nr 5 /dev/sdb
Prints the start sector of partition 5 on /dev/sdb without
header.
partx -o SECTORS,SIZE /dev/sda5 /dev/sda
Lists the length in sectors and human-readable size of
partition 5 on /dev/sda.
partx --add --nr 3:5 /dev/sdd
Adds all available partitions from 3 to 5 (inclusive) on
/dev/sdd.
partx -d --nr :-1 /dev/sdd
Removes the last partition on /dev/sdd.
Davidlohr Bueso ⟨dave@gnu.org⟩
Karel Zak ⟨kzak@redhat.com⟩
The original version was written by Andries E. Brouwer
⟨aeb@cwi.nl⟩.
addpart(8), delpart(8), fdisk(8), parted(8), partprobe(8)
The partx command is part of the util-linux package and is
available from Linux Kernel Archive
⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩.
This page is part of the util-linux (a random collection of Linux
utilities) project. Information about the project can be found
at ⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩. If you
have a bug report for this manual page, send it to
util-linux@vger.kernel.org. This page was obtained from the
project's upstream Git repository
⟨git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git⟩ on
2020-12-18. (At that time, the date of the most recent commit
that was found in the repository was 2020-12-17.) If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for
the page, or you have corrections or improvements to the
information in this COLOPHON (which is not part of the original
manual page), send a mail to man-pages@man7.org
util-linux December 2014 PARTX(8)
Pages that refer to this page: addpart(8), cfdisk(8), delpart(8), fdisk(8), findfs(8), resizepart(8), sfdisk(8)
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