Usage: sgdisk  [OPTION...] <device>
  -A, --attributes=list|[partnum:show|or|nand|xor|=|set|clear|toggle|get[:bitnum|hexbitmask]]     operate on partition attributes
  -a, --set-alignment=value                                                                       set sector alignment
  -b, --backup=file                                                                               backup GPT to file
  -B, --byte-swap-name=partnum                                                                    byte-swap partition's name
  -c, --change-name=partnum:name                                                                  change partition's name
  -C, --recompute-chs                                                                             recompute CHS values in protective/hybrid MBR
  -d, --delete=partnum                                                                            delete a partition
  -D, --display-alignment                                                                         show number of sectors per allocation block
  -e, --move-second-header                                                                        move second/backup header to end of disk
  -E, --end-of-largest                                                                            show end of largest free block
  -f, --first-in-largest                                                                          show start of the largest free block
  -F, --first-aligned-in-largest                                                                  show start of the largest free block, aligned
  -g, --mbrtogpt                                                                                  convert MBR to GPT
  -G, --randomize-guids                                                                           randomize disk and partition GUIDs
  -h, --hybrid=partnum[:partnum...][:EE]                                                          create hybrid MBR
  -i, --info=partnum                                                                              show detailed information on partition
  -I, --align-end                                                                                 align partition end points
  -j, --move-main-table=sector                                                                    change the start sector of the main partition table
  -k, --move-backup-table=sector                                                                  change the start sector of the second/backup partition table
  -l, --load-backup=file                                                                          load GPT backup from file
  -L, --list-types                                                                                list known partition types
  -m, --gpttombr=partnum[:partnum...]                                                             convert GPT to MBR
  -n, --new=partnum:start:end                                                                     create new partition
  -N, --largest-new=partnum                                                                       create largest possible new partition
  -o, --clear                                                                                     clear partition table
  -O, --print-mbr                                                                                 print MBR partition table
  -p, --print                                                                                     print partition table
  -P, --pretend                                                                                   make changes in memory, but don't write them
  -r, --transpose=partnum:partnum                                                                 transpose two partitions
  -R, --replicate=device_filename                                                                 replicate partition table
  -s, --sort                                                                                      sort partition table entries
  -S, --resize-table=numparts                                                                     resize partition table
  -t, --typecode=partnum:{hexcode|GUID}                                                           change partition type code
  -T, --transform-bsd=partnum                                                                     transform BSD disklabel partition to GPT
  -u, --partition-guid=partnum:guid                                                               set partition GUID
  -U, --disk-guid=guid                                                                            set disk GUID
  -v, --verify                                                                                    check partition table integrity
  -V, --version                                                                                   display version information
  -z, --zap                                                                                       zap (destroy) GPT (but not MBR) data structures
  -Z, --zap-all                                                                                   zap (destroy) GPT and MBR data structures

Help options:
  -?, --help                                                                                      Show this help message
      --usage                                                                                     Display brief usage message