== OPTIONS
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-
*-L*, *--color*[**=**__when__]::
Colorize the output. The optional argument _when_ can be *auto*, *never* or *always*. If the _when_ argument is omitted, it defaults to *auto*. The colors can be disabled, for the current built-in default see *--help* output. See also the *COLORS* section.
*-z*, *--zero*::
Start with an in-memory zeroed partition table. This option does not zero the partition table on the disk; rather, it simply starts the program without reading the existing partition table. This option allows you to create a new partition table from scratch or from an *sfdisk*(8)-compatible script.
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== COMMANDS
The commands for *cfdisk* can be entered by pressing the corresponding key (pressing _Enter_ after the command is not necessary). Here is a list of the available commands:
*-c*, *--compatibility*[**=**_mode_]::
Specify the compatibility mode, 'dos' or 'nondos'. The default is non-DOS mode. For backward compatibility, it is possible to use the option without the _mode_ argument -- then the default is used. Note that the optional _mode_ argument cannot be separated from the *-c* option by a space, the correct form is for example *-c*=_dos_.
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-
*-L*, *--color*[**=**_when_]::
Colorize the output. The optional argument _when_ can be *auto*, *never* or *always*. If the _when_ argument is omitted, it defaults to *auto*. The colors can be disabled; for the current built-in default see the *--help* output. See also the *COLORS* section.
*-W*, *--wipe-partitions* _when_::
Wipe filesystem, RAID and partition-table signatures from a newly created partitions, in order to avoid possible collisions. The argument _when_ can be *auto*, *never* or *always*. When this option is not given, the default is *auto*, in which case signatures are wiped only when in interactive mode and after confirmation by user. In all cases detected signatures are reported by warning messages before a new partition is created. See also *wipefs*(8) command.
-*-V*, *--version*::
-Display version information and exit.
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== DEVICES
== OPTIONS
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-
*-L*, *--label* _label_::
Specify a new _label_ for the device. Swap partition labels can be at most 16 characters long. If _label_ is longer than 16 characters, *swaplabel* will truncate it and print a warning message.
*-U*, *--uuid* _UUID_::
Specify a new _UUID_ for the device. The _UUID_ must be in the standard 8-4-4-4-12 character format, such as is output by *uuidgen*(1).
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== ENVIRONMENT
LIBBLKID_DEBUG=all::
== OPTIONS
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-
*-c*, *--content*::
Consider only file content, not attributes, when determining whether two files are equal. Same as *-pot*.
*--skip-reflinks*::
Ignore already cloned files. This option may be used without *--reflink* when creating classic hardlinks.
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== ARGUMENTS
include::man-common/help-version.adoc[]
+== EXIT STATUS
+
The *look* utility exits 0 if one or more lines were found and displayed, 1 if no lines were found, and >1 if an error occurred.
== ENVIRONMENT
+
*-o NAME,ALIGNMENT,MIN-IO,OPT-IO,PHY-SEC,LOG-SEC,ROTA,SCHED,RQ-SIZE,RA,WSAME*.
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-
*-w*, *--width* _number_::
Specifies output width as a number of characters. The default is the number of the terminal columns, and if not executed on a terminal, then output width is not restricted at all by default. This option also forces *lsblk* to assume that terminal control characters and unsafe characters are not allowed. The expected use-case is for example when *lsblk* is used by the *watch*(1) command.
*none*;;
Does not probe. This method always stops probing.
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+
== EXIT STATUS
0::
*-t*, *--time*::
Generate a time-based UUID. This method creates a UUID based on the system clock plus the system's ethernet hardware address, if present.
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-
*-m*, *--md5*::
Use MD5 as the hash algorithm.
*-x*, *--hex*::
Interpret name _name_ as a hexadecimal string.
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+
== CONFORMING TO
OSF DCE 1.1
*-t*, *--trayclose*::
With this option the drive is given a CD-ROM tray close command. Not all devices support this command.
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-
*-v*, *--verbose*::
Run in verbose mode; more information is displayed about what the command is doing.
*-x*, *--cdspeed* _speed_::
With this option the drive is given a CD-ROM select speed command. The _speed_ argument is a number indicating the desired speed (e.g., 8 for 8X speed), or 0 for maximum data rate. Not all devices support this command and you can only specify speeds that the drive is capable of. Every time the media is changed this option is cleared. This option can be used alone, or with the *-t* and *-c* options.
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== EXIT STATUS
Returns 0 if operation was successful, 1 if operation failed or command syntax was not valid.
*-s*, *--sysroot* _directory_::
Gather memory data for a Linux instance other than the instance from which the *lsmem* command is issued. The specified _directory_ is the system root of the Linux instance to be inspected.
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-
*--summary*[**=**_when_]::
This option controls summary lines output. The optional argument _when_ can be *never*, *always* or *only*. If the _when_ argument is omitted, it defaults to *"only"*. The summary output is suppressed for *--raw*, *--pairs* and *--json*.
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+
== AUTHORS
*lsmem* was originally written by Gerald Schaefer for s390-tools in Perl. The C version for util-linux was written by Clemens von Mann, Heiko Carstens and Karel Zak.
== OPTIONS
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-
*-w* __<NUM>__, *--width* __<NUM>__::
Maximum number of bits in the masks handled by *bits* (default __8192__). Any
bit larger than this number will be truncated.
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+
== CONVERSION MODE
One of the following conversion modes can be specified. If not specified, it
== OPTIONS
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-
*-0*, *--zero*::
_Zero termination_. Use the byte '\0' as line separator.
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+
== SEE ALSO
*tac*(1)