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* Description: Command of displaying hard disks on Linux platform
* Date: 02:26 PM EST, 06/13/2017
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<1> Command "fdisk":
     |
     |__ $ fdisk -l | grep "Disk /dev"	 
     |
     |     Disk /dev/sda: 74.1 GB, 74088185856 bytes
     |     Disk /dev/sdb: 441.3 GB, 441307889664 bytes
     |     Disk /dev/sdc: 322.1 GB, 322122547200 bytes
     |     Disk /dev/mapper/vg_nebf1s2k242-lv_root: 34.7 GB, 34728837120 bytes
     |     Disk /dev/mapper/vg_nebf1s2k242-lv_swap: 14.8 GB, 14780727296 bytes
     |     Disk /dev/mapper/vg_nebf1s2k242-lv_home: 23.3 GB, 23332913152 bytes
     |
     |
     |__ $ fdisk -l
	 
           Disk /dev/sda: 74.1 GB, 74088185856 bytes
           255 heads, 63 sectors/track, 9007 cylinders
           Units = cylinders of 16065 * 512 = 8225280 bytes
           Sector size (logical/physical): 512 bytes / 512 bytes
           I/O size (minimum/optimal): 512 bytes / 512 bytes
           Disk identifier: 0xc8edc8ed
           
              Device Boot      Start         End      Blocks   Id  System
           /dev/sda1   *           1          64      512000   83  Linux
           Partition 1 does not end on cylinder boundary.
           /dev/sda2              64        8921    71139328   8e  Linux LVM
           Partition 2 does not end on cylinder boundary.
           
           Disk /dev/sdb: 441.3 GB, 441307889664 bytes
           121 heads, 25 sectors/track, 284935 cylinders
           Units = cylinders of 3025 * 512 = 1548800 bytes
           Sector size (logical/physical): 512 bytes / 512 bytes
           I/O size (minimum/optimal): 512 bytes / 512 bytes
           Disk identifier: 0xd5b1d5b1
           
              Device Boot      Start         End      Blocks   Id  System
           /dev/sdb1               1      284314   430022656    7  HPFS/NTFS
           
           Disk /dev/sdc: 322.1 GB, 322122547200 bytes
           129 heads, 6 sectors/track, 812849 cylinders
           Units = cylinders of 774 * 512 = 396288 bytes
           Sector size (logical/physical): 512 bytes / 512 bytes
           I/O size (minimum/optimal): 512 bytes / 512 bytes
           Disk identifier: 0xe1b869c9
           
              Device Boot      Start         End      Blocks   Id  System
           /dev/sdc1               3      812850   314571776   83  Linux
           
           Disk /dev/mapper/vg_nebf1s2k242-lv_root: 34.7 GB, 34728837120 bytes
           255 heads, 63 sectors/track, 4222 cylinders
           Units = cylinders of 16065 * 512 = 8225280 bytes
           Sector size (logical/physical): 512 bytes / 512 bytes
           I/O size (minimum/optimal): 512 bytes / 512 bytes
           Disk identifier: 0x00000000
           
           
           Disk /dev/mapper/vg_nebf1s2k242-lv_swap: 14.8 GB, 14780727296 bytes
           255 heads, 63 sectors/track, 1796 cylinders
           Units = cylinders of 16065 * 512 = 8225280 bytes
           Sector size (logical/physical): 512 bytes / 512 bytes
           I/O size (minimum/optimal): 512 bytes / 512 bytes
           Disk identifier: 0x00000000
           
           
           Disk /dev/mapper/vg_nebf1s2k242-lv_home: 23.3 GB, 23332913152 bytes
           255 heads, 63 sectors/track, 2836 cylinders
           Units = cylinders of 16065 * 512 = 8225280 bytes
           Sector size (logical/physical): 512 bytes / 512 bytes
           I/O size (minimum/optimal): 512 bytes / 512 bytes
           Disk identifier: 0x00000000