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Old 11-06-2015, 03:52 PM   #1
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Viewing partition scheme via the command line.

I've been experimenting. I custom formatted one fedora box, and the other is auto formatted. Is there a way to see the partition scheme via command line? I'm curious to compare the two.

Last edited by kb2tfa; 11-06-2015 at 03:53 PM.
Old 11-06-2015, 03:58 PM   #2
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fdisk -l
Old 11-06-2015, 04:42 PM   #3
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From 'man fdisk';
fdisk - manipulate disk partition table

fdisk [-uc] [-b sectorsize] [-C cyls] [-H heads] [-S sects] device

fdisk -l [-u] [device...]

fdisk -s partition...

fdisk -v

fdisk -h

fdisk (in the first form of invocation) is a menu-driven program for creation and manipulation of partition tables. It understands DOS-type
partition tables and BSD- or SUN-type disklabels.

fdisk does not understand GUID partition tables (GPTs) and it is not designed for large partitions. In these cases, use the more advanced GNU

fdisk does not use DOS-compatible mode and cylinders as display units by default. The old deprecated DOS behavior can be enabled with the
'-c=dos -u=cylinders' command-line options.

Hard disks can be divided into one or more logical disks called partitions. This division is recorded in the partition table, found in sector
0 of the disk. (In the BSD world one talks about `disk slices' and a `disklabel'.)

Linux needs at least one partition, namely for its root file system. It can use swap files and/or swap partitions, but the latter are more
efficient. So, usually one will want a second Linux partition dedicated as swap partition. On Intel-compatible hardware, the BIOS that boots
the system can often only access the first 1024 cylinders of the disk. For this reason people with large disks often create a third parti-
tion, just a few MB large, typically mounted on /boot, to store the kernel image and a few auxiliary files needed at boot time, so as to make
sure that this stuff is accessible to the BIOS. There may be reasons of security, ease of administration and backup, or testing, to use more
than the minimum number of partitions.

The device is usually /dev/sda, /dev/sdb or so. A device name refers to the entire disk. Old systems without libata (a library used inside
the Linux kernel to support ATA host controllers and devices) make a difference between IDE and SCSI disks. In such cases the device name
will be /dev/hd* (IDE) or /dev/sd* (SCSI).

The partition is a device name followed by a partition number. For example, /dev/sda1 is the first partition on the first hard disk in the
system. See also Linux kernel documentation (the Documentation/devices.txt file).

-l List the partition tables for the specified devices and then exit. If no devices are given, those mentioned in /proc/partitions (if
that exists) are used.
By using 'fdisk -l' you will get all devices available data. You can be specific for a particular device: 'fdisk -l /dev/sda' would provide partition information for the '/dev/sda' device.

Hope this helps.
have fun & enjoy!
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Old 11-06-2015, 05:58 PM   #4
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Thank you.
Old 11-06-2015, 07:21 PM   #5
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The lsblk command is also very useful, more information using up less screen space in many situations.
Old 11-07-2015, 08:00 AM   #6
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sudo parted -l
gives useful results, also.


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