🖥️sgdisk

➡️This is a command-line reference manual for commands and command combinations that you don’t use often enough to remember it. This cheatsheet explains the sgdisk command with important options and switches using examples.

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# sgdisk
# Command-line GUID partition table (GPT) manipulator for Linux and Unix

# convert an MBR partition table to GPT, use sgdisk
sgdisk -g /dev/sda

# convert GPT to MBR use the m option.
# it is not possible to convert more than four partitions from GPT to MBR
sgdisk -m /dev/sda

# Sort GPT partitions
# when a new partition is created in the space between two partitions or a partition is deleted
sgdisk -s /dev/sda

# Using sgdisk you can create a binary backup consisting of the protective MBR,
# the main GPT header, the backup GPT header, and one copy of the partition table
sgdisk -b=sgdisk-sda.bak

# Restore GPT/MBR backup:
sgdisk -l=sgdisk-sda.bak

# Clone your current device's partition layout '/dev/sda' to another drive '/dev/sdc'
sgdisk -R=/dev/sdc /dev/sda

# If both drives will be in the same computer, you need to randomize the GUID's after cloning
sgdisk -G /dev/sdc

Cheatsheets are an excellent complement to other information sources like Linux man-pages, Linux help, or How-To’s and tutorials, as they provide compact and easily accessible information. While man-pages and detailed tutorials often contain comprehensive explanations and extensive guides, cheatsheets summarize the most important options forthe command sgdisk in a clear format. This allows users to quickly access the needed information for sgdisk without having to sift through lengthy texts. Especially in stressful situations or for recurring tasks, cheatsheets for sgdisk are a valuable resource to work efficiently and purposefully.

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