38 lines
1.2 KiB
Markdown
38 lines
1.2 KiB
Markdown
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# sgdisk
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> Manage GUID Partition Tables (GPT).
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> Part of the GPT fdisk suite; designed for scripting and automation.
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> More information: <https://manned.org/sgdisk>.
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- Display basic GPT partition summary data for a device:
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`sudo sgdisk {{[-p|--print]}} {{/dev/sdX}}`
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- Wipe both GPT and MBR data structures from a device (destroys all partition information):
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`sudo sgdisk {{[-Z|--zap-all]}} {{/dev/sdX}}`
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- Convert a GPT disk to MBR format using up to four partitions:
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`sudo sgdisk {{[-m|--gpttombr]}} {{1:2:3:4}} {{/dev/sdX}}`
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- Delete a partition entry by number (data in sectors remains untouched):
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`sudo sgdisk {{[-d|--delete]}} {{1}} {{/dev/sdX}}`
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- Save the current in-memory GPT data (protective MBR, headers, and table) to a binary backup file:
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`sudo sgdisk {{[-b|--backup]}} {{/path/to/backup.gpt}} {{/dev/sdX}}`
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- Load GPT data from a backup file (restoring from a non-original disk is not recommended):
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`sudo sgdisk {{[-l|--load-backup]}} {{/path/to/backup.gpt}} {{/dev/sdX}}`
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- Verify GPT structures for CRC errors, mismatches, or inconsistencies:
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`sudo sgdisk {{[-v|--verify]}} {{/dev/sdX}}`
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- Display a summary of available partition type codes (no device required):
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`sgdisk {{[-L|--list-types]}}`
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