SGDISK(8) GPT fdisk Manual SGDISK(8) (NAME) sgdisk - GPT (SYNOPSIS) sgdisk [ options ] device (DESCRIPTION) GPT fdisk . : gdisk sgdisk. Master Boot Record (MBR) BSD MBR Globally Unique Identifier (GUID) Partition Table (GPT) GUID . sgdisk . GPT . MBR GPT GPT gdisk https://www.rodsbooks.com/gdisk . sgdisk . ( .) sfdisk . sgdisk /dev/sda /dev/hda /dev/disk0 Mac OS X /dev/ad0 /dev/da0 FreeBSD. ( dd) QEMU VMWare . (raw) sgdisk . MBR // (CHS) (LBA) . . GPT CHS 64- LBA . GPT sgdisk CHS . . Mac OS X Mac OS X Disk Utility gdisk sgdisk GNU Parted . sgdisk . GPT . sgdisk MBR BSD GPT MBR GPT . ( BSD GPT .) GPT fdisk Apple Partition Map (APM) 680x0 PowerPC . MBR BSD sgdisk -g (--mbrtogpt) -z (--zap) -Z (--zap-all) . -g sgdisk MBR GPT . ! . GPT (multi-boot) . MBR GPT MBR (logical) . -s (--sort) . ( /etc/fstab .) : * () BIOS GRUB . * EFI EFI System Partition ( gdisk 0xEF00) FAT-32 . 550 (MiB) . ( ESP EFI FAT .) . ( GNU Parted "boot flag" .) * BIOS BIOS Boot Partition ( gdisk 0xEF02) . (GRUB2 .) ( ) . * GPT Microsoft Reserved ( sgdisk 0x0C01) . . EFI System Partition . ( GNU Parted FAT Mac OS X .) * GPT ( ) . . GPT . (OPTIONS) ( ) . -n (--new) sgdisk -n 2:2000:50000 /dev/sdc /dev/sdc . ( GUID ). sgdisk . sgdisk -s -d 2 sgdisk -d 2 -s . sgdisk . GPT . sgdisk gdisk gdisk . sgdisk gdisk . sgdisk : -a, --set-alignment=value . GPT fdisk ( ) . Western Digital Advanced Format RAID SSD . -I . -A, --attributes=list|[partnum:show|or|nand|xor|=|set|clear|toggle|get[:bitnum|hexbitmask]] . list () . ( ) . . show get ( ). or nand xor = set clear toggle . set clear toggle get . sgdisk -A 4:set:2 /dev/sdc ( BIOS ) /dev/sdc . -b, --backup=file . . MBR GPT GPT . . GPT GPT fdisk GPT . -B, --byte-swap-name=partnum (byte order) . GPT fdisk 1.0.7 big- endian ( IBM s390 PowerPC) . . -c, --change-name=partnum:name GPT . UTF-16 ASCII (locale) . . sgdisk -c 1:"Sample Name" /dev/sdb. GPT . -C, --recompute-chs CHS MBR . BIOS CHS MBR . GPT CHS 0xFFFFFF . . CHS -- 0xFEFFFF . -d, --delete=partnum . . MBR gdisk MBR 0xEE (EFI GPT) . -D, --display-alignment . . -a . -e, --move-second-header GPT . RAID GPT . GPT . -E, --end-of-largest . -n . 0 . -f, --first-in-largest . -n . 0 . . -F, --first-aligned-in-largest -f (--first-in-largest) . . -g, --mbrtogpt MBR BSD GPT. MBR BSD . -G, --randomize-guids GUID GUID ( GUID ). GUID . -h, --hybrid MBR . . "EE" EFI GPT ( 0xEE) () . GPT fdisk 0x0100 . / (active/bootable) fdisk . gdisk MBR . -i, --info=partnum . -p GUID sgdisk . -i . -I, --align-end . . . sgdisk . -j, --move-main-table=sector . (SoC) (hard-code) . . -k, --move-backup-table=sector /. . ( ) . EFI . -l, --load-backup=file . -b . . . -L, --list-types . GPT GUID . sgdisk ( ) MBR . MBR 0x0100 . swap MBR 0x82 gdisk 0x8200 . . FAT NTFS GPT ( sgdisk 0x0700 ) . MBR GPT . sgdisk 0xa500 FreeBSD 0xa501 FreeBSD 0xa502 swap FreeBSD . gdisk sgdisk . . -m, --gpttombr GPT MBR. . GPT fdisk 0x0100 . / fdisk . gdisk MBR . GPT MBR (2TiB) . -n, --new=partnum:start:end . . (K) (M) (G) (T) (P) 40M . '+' '-' +2G -200M . 0 . 0 partnum . -A (--attributes) -c (--change-name) -t (--typecode) -u (--partition-guid) 0 . -N, --largest-new=num . -a (--set-alignment) . 0 num . -A (--attributes) -c (--change-name) -t (--typecode) -u (--partition-guid) 0 . -o, --clear . GPT MBR . . GPT -Z . . -O, --print-mbr MBR. MBR . MBR . -p, --print GPT. sgdisk . -i (--info) . -P, --pretend . GPT . -r, --transpose . . . . -R, --replicate=second_device_filename . GUID GUID -G . -s, --sort . GPT . . . /etc/fstab . -t, --typecode=partnum:{hexcode|GUID} . GUID EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 . -T, --transform-bsd=partnum BSD GPT. BSD GPT ( MBR ) . . sgdisk BSD . BSD sgdisk BSD MBR . -u, --partition-guid=partnum:guid GUID . GUID GUID 'R' GUID . -U, --disk-guid=guid GUID . GUID GUID 'R' GUID . --usage . -v, --verify . CRC . . . . -V, --version . . -z, --zap () GPT . GPT fdisk GPT . GPT MBR . GPT GPT MBR MBR . GPT MBR EFI GPT (0xEE) . -Z, --zap-all () GPT MBR . -z MBR GPT . -?, --help . (RETURN VALUES) sgdisk : 0 1 2 3 -GPT -g 4 5 ( sgdisk gdisk ) 8 (-R) (BUGS) : * FreeBSD Mac OS X . x86-64 ( ) x86 ( ) PowerPC ( ) x86-64 . * FreeBSD (mount) . ( FreeBSD gpt fdisk dd .) sysctl kern.geom.debugflags=16 . * -p . (PiB) . . * MBR ( ) . #define MAX_MBR_PARTS basicmbr.h . ( .) * MBR () . ( 's' ) gdisk GNU Parted . * MBR LBA . . * BSD GPT . () . * BSD -- . ! * MBR BSD . . EFI Windows 7 RC GPT . MBR ( 'h' ) GPT MBR . (AUTHORS) : Roderick W. Smith (rodsmith@rodsbooks.com) : * Yves Blusseau (1otnwmz02@sneakemail.com) * David Hubbard (david.c.hubbard@gmail.com) * Justin Maggard (justin.maggard@netgear.com) * Dwight Schauer (das@teegra.net) * Florian Zumbiehl (florz@florz.de) (SEE ALSO) cfdisk(8), cgdisk(8), fdisk(8), gdisk(8), mkfs(8), parted(8), sfdisk(8), fixparts(8). https://en.wikipedia.org/wiki/GUID_Partition_Table https://developer.apple.com/technotes/tn2006/tn2166.html https://www.rodsbooks.com/gdisk (AVAILABILITY) sgdisk GPT fdisk Rod Smith . Roderick W. Smith 1.0.10 SGDISK(8)