Whats Hex Dump - What does it mean?

Question

thegladiator:~/cp$ cat new.txt
Hello World This is a Trest Progyy

thegladiator:~/cp$ hexdump new.txt
0000000 6548 6c6c 206f 6f57 6c72 2064 6854 7369
0000010 6920 2073 2         


        

Answer 1

it's just what it says, a dump of the data in hexidecimal format:

H 48 
e 65
l 6c
l 6c
o 6f

It is odd though that all of the bytes are swapped (65 48 : e H)

If you're on a *nix system, you can use 'od -x', or 'man od' will tell you all the ways to get data from od :)