The hexdump tag has no wiki summary.
2
votes
0answers
257 views
Attempting to access RAM /dev/mem… says “Operation not permitted”
I am using Ubuntu 12.04
I read the following tutorial on how to access the contents of RAM in Linux....
http://www.rootninja.com/using-dd-to-search-for-strings-in-memory-or-devices/
Code:
dd ...
1
vote
1answer
59 views
Why does newline come before space in the output of hexdump?
Printing these characters in the "Canonical" format gives the output that I expect, while the default format throws me off.
$ echo " " |hexdump # Reversed?
0000000 0a20
0000002
$ ...
0
votes
1answer
132 views
What does an asterisk “*” mean in hexdump output?
I print MBR with hexdump and I get the following output:
000001a0 67 60 6f 70 65 72 61 74 69 6e 67 60 73 79 73 74 |g`operating`syst|
000001b0 65 6d 00 40 00 63 7b da c5 f5 61 68 00 40 00 40 ...
4
votes
1answer
306 views
Is this a File Header / Magic Number?
I've got 120,000 files (way more, actually; this is just an arbitrary subset) of an unknown type. Linux file does not identify them (not that they're necessarily Linux files), nor do any other methods ...
1
vote
0answers
64 views
Identify recovered filetype
I'm searching some info about this file. It was recovered from a failed HD, with Ontrack EasyRecovery. The file extension may not be accurate.
I tried with TrID (I'm the developer), and based on the ...
36
votes
4answers
3k views
Why don't you see binary code when you open a binary file with text editor?
Why don't you see binary code when you open a binary file with text editor? For example, when I open an image with text editor, I see some weird characters and also some human readable characters; but ...
2
votes
0answers
1k views
hexdump vs xxd format difference
I was searching for how to do a reverse hexdump and found xxd mentioned. However, it does not seem to work with simply:
xxd -r hexdumpfile > binaryfile
I then compared the difference between ...
4
votes
1answer
675 views
Is there a utility like hexdump that will handle non-native endian-ness?
Hexdump's ability to read binary data and format it appropriately so it can, for example, be piped to awk is very useful, but I regularly need to read files in which the binary data is of a different ...
0
votes
2answers
677 views
How to convert data to plain hex from console
How to easily convert to/from plain machine-readable HEX (without any paddings/offsets/character view) with xdd or hexdump?
I'm tired of digging of some special format strings (and finding out that ...