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Someone

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·published 2007-07-01 18:57 UTC
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root@Cyber-Goth:/home/syman# fdisk /dev/hdb

Command (m for help): m
Command action
   a   toggle a bootable flag
   b   edit bsd disklabel
   c   toggle the dos compatibility flag
   d   delete a partition
   l   list known partition types
   m   print this menu
   n   add a new partition
   o   create a new empty DOS partition table
   p   print the partition table
   q   quit without saving changes
   s   create a new empty Sun disklabel
   t   change a partition's system id
   u   change display/entry units
   v   verify the partition table
   w   write table to disk and exit
   x   extra functionality (experts only)

Command (m for help): v
62 unallocated sectors

Command (m for help): x

Expert command (m for help): m
Command action
   b   move beginning of data in a partition
   c   change number of cylinders
   d   print the raw data in the partition table
   e   list extended partitions
   f   fix partition order
   g   create an IRIX (SGI) partition table
   h   change number of heads
   m   print this menu
   p   print the partition table
   q   quit without saving changes
   r   return to main menu
   s   change number of sectors/track
   v   verify the partition table
   w   write table to disk and exit

Expert command (m for help): p

Disk /dev/hdb: 64 heads, 63 sectors, 1023 cylinders

Nr AF  Hd Sec  Cyl  Hd Sec  Cyl     Start      Size ID
 1 00   1   1    0  63  63 1022         63    4124673 83
 2 00   0   0    0   0   0    0          0          0 00
 3 00   0   0    0   0   0    0          0          0 00
 4 00   0   0    0   0   0    0          0          0 00

Expert command (m for help): q

root@Cyber-Goth:/home/syman# dd if=/dev/zero of=/dev/hdb1
dd: writing to `/dev/hdb1': No space left on device
4124674+0 records in
4124673+0 records out
2111832576 bytes (2.1 GB) copied, 471.908 seconds, 4.5 MB/s
root@Cyber-Goth:/home/syman# fdisk /dev/hdb

Command (m for help): d
Selected partition 1

Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-1023, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-1023, default 1023):
Using default value 1023

Command (m for help): p

Disk /dev/hdb: 2111 MB, 2111864832 bytes
64 heads, 63 sectors/track, 1023 cylinders
Units = cylinders of 4032 * 512 = 2064384 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hdb1               1        1023     2062336+  83  Linux

Command (m for help): a
Partition number (1-4): 1

Command (m for help): t
Selected partition 1
Hex code (type L to list codes): 1
Changed system type of partition 1 to 1 (FAT12)

Command (m for help): t
Selected partition 1
Hex code (type L to list codes): 1

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.

WARNING: If you have created or modified any DOS 6.x
partitions, please see the fdisk manual page for additional
information.
Syncing disks.
root@Cyber-Goth:/home/syman# mke2fs /dev/hdb1
mke2fs 1.38 (30-Jun-2005)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
258048 inodes, 515584 blocks
25779 blocks (5.00%) reserved for the super user
First data block=0
16 block groups
32768 blocks per group, 32768 fragments per group
16128 inodes per group
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912

Writing inode tables: done
Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 33 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
root@Cyber-Goth:/home/syman# fsck -vv -c /dev/hdb1
fsck 1.38 (30-Jun-2005)
e2fsck 1.38 (30-Jun-2005)
Checking for bad blocks (read-only test): done                        584
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

/dev/hdb1: ***** FILE SYSTEM WAS MODIFIED *****

      11 inodes used (0%)
       0 non-contiguous inodes (0.0%)
         # of inodes with ind/dind/tind blocks: 0/0/0
    8113 blocks used (1%)
       0 bad blocks
       0 large files

       0 regular files
       2 directories
       0 character device files
       0 block device files
       0 fifos
       0 links
       0 symbolic links (0 fast symbolic links)
       0 sockets
--------
       2 files
root@Cyber-Goth:/home/syman#