fdisk command-line utility that provides disk partitioning
fdisk (for "fixed disk") is a commonly used name for a command-line utility that provides disk partitioning functions. fdisk writes the master boot record.
Questions tagged [fdisk]
304 questions
9
votes
3 answers
Why "fdisk -l" does not give any output in terminal?
When I do fdisk -l in terminal there is no output? What can be the probable reason? How to fix it?
Chirag
- 2,099
6
votes
2 answers
cannot create a partition table on /dev/sdb
when I'm trying to create a partition table on my 8gb sd card, its showing this error:
fdisk: unable to read /dev/sdb: Input/output error
I have used sudo fdisk -l , there the /dev/sdb is not listed, what should I do? please help me .
Tanmoy
- 71
3
votes
1 answer
Fdisk new disk size
I am using ubuntu 20.04 and I want to create new partition disk with exactly 500 MB. However, the fdisk adjusted it to 512MiB is there any way that I can create exactly 500MB disk size?
ric@Eric:~/Downloads$ sudo fdisk /dev/sda
Welcome to fdisk…
Eric Steven
- 33
1
vote
2 answers
How does fdisk tell me which port a usb stick is mounted to?
I am trying to create a bootable USB stick using the sudo dd command, but using fdisk -l to find out which USB port the device is , I don't know how to interpret the output.
My computer is a HP Compaq nc6220, with 3 USB ports.
This is the output I…
Rene Thomas
- 13
1
vote
1 answer
fdisk -l shows my drive as /dev/sdb not /dev/sdb1
So fdisk -l shows it as /dev/sdb. Shouldn't it be showing as /dev/sdb1? ...or perhaps /dev/sdb0?
What I'm up to is adding a drive to my system. Everything else is LVM so that is what I want here too. I've already figured out how to create the…
user447607
- 734
1
vote
1 answer
why fdisk doesn't show free space and cfdisk does?
root@mik-Aspire-E5-571:~# lsb_release -a|grep Ubuntu
Distributor ID: Ubuntu
Description: Ubuntu 15.04
root@mik-Aspire-E5-571:~#
root@mik-Aspire-E5-571:~# fdisk -l /dev/sda
Disk /dev/sda: 465,8 GiB, 500107862016 bytes, 976773168 sectors
Units:…
Mik
- 11
- 1
- 2
1
vote
3 answers
sudo wipe command in terminal error
I did the command
sudo wipe /dev/sdb
where /dev/sdb is my 1TB HDD and I got a "command not found" message. How would I be able to prepare the drive for new OS? Wipe it, I mean.
Thanks
user214176
- 13
1
vote
0 answers
Why fdisk disk size use 1000 not 1024 to calculate?
Possible Duplicate:
Why is my storage partition xxGB, when Disk Utility, and Gparted say otherwise?
I found that 429496729600 bytes change to 429.5 GB is calculated by 1000.
But Units = sectors of 1 * 512 = 512 bytes.
Why 429.5 GB not calculated…
sam
- 6,831
1
vote
1 answer
Wipe mode not working in fdisk command
Does anyone know what it means when the 'fdisk' command returns 'unsupported wipe mode' when trying to delete data on a USB drive? My command was 'sudo fdisk -W /dev/sdb'. I know there are other ways of doing it with 'dd' for example but was…
podjv
- 39
0
votes
1 answer
Merge partitions (that aren't next to each other)?
All,
So I've already read through quite a few threads, but didn't quite find an identical situation. I have 4 partitions, and I want two. I'm running Ubuntu 10.04.1 LTS. I have gParted installed (KDE wm) and tried to re-size the partitions, but it…
0
votes
1 answer
How should I interpret this fdisk output?
My main hdd seems to have two partitions over the same disk space. Are /dev/sda2 and /dev/sda6` overlapping? How should I interpret this fdisk output? Have I screwed up my installation?
allan@xxxxxxxx:~$ sudo fdisk -l
Disk /dev/sdb: 3.64 TiB,…
zoomiest
- 1
-1
votes
1 answer
how to format a USB-Drive with fdisk?
I want to format a USB-Drive (/dev/sdc) and make multiple partitions each of a different type using fdisk. My fdisk uses sectors(not cylinders) to create a new partition.
/dev/sdc1 <- NTFS (10GiB)
/dev/sdc2 <- Fat32 (04GiB)
Can someone please…
devilz
- 169
- 1
- 3
- 16
-1
votes
1 answer
how to know partitions size
I entered sudo fdisk -l now I want to know how much of my hard disk belong to this partition:
Device Boot Start End Blocks Id System
/dev/sda2 156264318 273474494 58605088+ 7 HPFS/NTFS/exFAT
Mohammad Reza Rezwani
- 10,286
- 36
- 92
- 128