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Linux - The fdisk command

Linux - The fdisk command

The Linux fdisk utility allows you to create partitions on your hard drive in the same way as its MS-DOS counterpart. It should be noted that the Linux version of fdisk is more complicated to use than MS-DOS version, so it is advisable to create partitions from MS-DOS (create a system disk in order to format the DOS partition and install DOS kernel after installing Linux)
  • Partitioning with fdisk will lead to the lost of all data on the concerned disk.
  • To invoke the utility use the fdisk command. When no argument is added, fdisk will select the first drive it finds.
  • Pass the device name as an argument to select the drive/partition of your choice (e.g the second hard drive will be selected):
    • fdisk /dev/hdb

The naming conventtion for hard disks

Under Linux, the name of the storage devices varies depending on whether they are SCSI or IDE drives.
  • For IDE drives, the first is named hda, the second one is named hdb .
  • For SCSI disks, the first will be called sda, the second one is named sdb .

fdisk Commands

ddelete partition
llist the partition types
mPrint current menu
ncreating a new partition
pDisplay partitions
qexit fdisk without saving settings
tchange the partition type
vCheck the partition table
wSave changes and exit fdisk

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