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landing/docs/Linux-Commands/Disk-Management/128-the-parted-command.md
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landing/docs/Linux-Commands/Disk-Management/128-the-parted-command.md
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# The `parted` command
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The `parted` command is used to manage hard disk partitions on Linux. It can be used to add, delete, shrink and extend disk partitions along with the file systems located on them.
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You will need root access to the system to run `parted` commands.
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**NOTE:** Parted writes the changes immediately to your disk, be careful when you are modifying the disk partitions.
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### Examples:
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1. Displays partition layout of all block devices:
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```
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sudo parted -l
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```
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2. Display partition table of a specific `disk`
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```
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sudo parted disk print
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```
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Examples of `disk` are /dev/sda, /dev/sdb
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3. Create a new disk label of `label-type` for a specific disk
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```
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sudo parted mklabel disk label-type
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```
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`label-type` can take values "aix", "amiga", "bsd", "dvh", "gpt", "loop", "mac", "msdos", "pc98", or "sun" <br />
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4. Create a new partition in a specific `disk` of type `part-time`, file system is `fs-type` and of size `size` Mb.
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```
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sudo parted disk mkpart part-time fs-type 1 size
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```
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`part-time` can take values "primary", "logical", "extended".<br />
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`fs-type` is optional. It can take values "btrfs", "ext2", "ext3", "ext4", "fat16", "fat32", "hfs", "hfs+", "linux-swap", "ntfs", "reiserfs", "udf", or "xfs"<br />
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`size` has to less than the total size of the specified disk. To create a partition of size 50Mb, <size> will take the value of 50
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5. `parted` can also be run in an interactive format. Operations to manage the disk partitions can be performed by entering appropriate commands in the interactive session.
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`help` command in the interactive session shows a list of all possible disk management operations which can be performed.
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```
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$ sudo parted
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GNU Parted 3.3
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Using /dev/sda
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Welcome to GNU Parted! Type 'help' to view a list of commands.
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(parted) print # prints the partition table of the default selected disk - /dev/sda
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Model: ATA VBOX HARDDISK (scsi)
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Disk /dev/sda: 53.7GB
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Sector size (logical/physical): 512B/512B
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Partition Table: msdos
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Disk Flags:
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Number Start End Size Type File system Flags
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1 1049kB 53.7GB 53.7GB primary ext4 boot
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(parted) select /dev/sdb # change the current disk on which operations have to be performed
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Using /dev/sdb
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(parted) quit # exit the interactive session
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```
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### Syntax Forms:
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```
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parted [options] [device [command [options...]...]]
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```
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### Options:
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|**Short Flag** |**Long Flag** |**Description** |
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|:---|:---|:---|
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|-h|--help|displays a help message listing all possible `commands [options]`|
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|-l|--list|lists partition layout on all block devices|
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|-m|--machine|displays machine parseable output|
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|-v|--version|displays the version|
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|-a|--align|set alignment type for newly created partition. It can take the following values:<br /> `none`: Use the minimum alignment allowed by the disk type<br /> `cylinder`: Align partitions to cylinders<br /> `minimal`: Use minimum alignment as given by the disk topology information<br /> `optimal`: Use optimum alignment as given by the disk topology information|
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