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blkcat - Online in the Cloud

Run blkcat in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command blkcat that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


blkcat - Display the contents of file system data unit in a disk image.

SYNOPSIS


blkcat [-ahswvV] [-f fstype] [-u unit_size] [-i imgtype] [-o imgoffset] [-b
dev_sector_size] image [images] unit_addr [num]

DESCRIPTION


blkcat displays num data units (default is one) starting at the unit address unit_addr
from image to stdout in different formats (default is raw). blkcat was called dcat in TSK
versions prior to 3.0.0.

ARGUMENTS


-a Display the contents in ASCII

-f fstype
Specify image as a specific file type. If 'swap' is given here, the image will be
displayed in pages of size 4096 bytes. If 'raw' is given, then 512-bytes is used
as the default size. The '-u' flag can change the default size. Use '-f list' to
list the supported file system types. If not given, autodetection methods are
used.

-h Display the contents in hexdump

-s Display statistics on the image (unit size, file block size, and number of
fragments).

-u unit_size
Specify the size of the default data unit for raw, blkls, and swap images.

-i imgtype
Identify the type of image file, such as raw. Use '-i list' to list the supported
types. If not given, autodetection methods are used.

-o imgoffset
The sector offset where the file system starts in the image.

-b dev_sector_size
The size, in bytes, of the underlying device sectors. If not given, the value in
the image format is used (if it exists) or 512-bytes is assumed.

-v Verbose output to stderr.

-V Display version.

-w Display the contents in an HTML table format.

image [images]
The disk or partition image to read, whose format is given with '-i'. Multiple
image file names can be given if the image is split into multiple segments. If
only one image file is given, and its name is the first in a sequence (e.g., as
indicated by ending in '.001'), subsequent image segments will be included
automatically.

unit_addr
Address of the disk unit to display. The size of a unit on this file system can be
determined using the -s option.

num Number of data units to display.

The basic functionality of blkcat can also be achieved using dd. To determine which inode
has allocated a given unit, the ifind(1) command can be used.

EXAMPLES


# blkcat -hw image 264 4

or

# blkcat -hw image 264

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