print first n characters of any file in human readble form using hexdump

hexdump -C -n 20 filename
Usefull to determine unknown file type
Sample Output
00000000  e9 4a 35 a6 33 86 10 fc  34 e4 fc d1 45 bd bc bc  |.J5.3...4...E...|
00000010  8b d2 a1 b9 c9 1f b3 1b  49 b1 65 ab 3d 5a 90 23  |........I.e.=Z.#|
00000020  ee da 22 5d 8d dc ec 4c  1b 36 6b bb 24 da 97 39  |.."]...L.6k.$..9|
00000030  92 a1 c5 a3 71 8e 3e 68  d0 47 9c db 83 6d 15 84  |....q.>h.G...m..|
00000040  49 96 c2 92 bb 7a ce eb  9e 93 22 65 70 fc 71 4f  |I....z...."ep.qO|

1
2012-03-05 15:57:41

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