c - saving hexadecimal value in .dat file -

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in tutorial writer saves 48 bytes of padding followed address 0x601040 in file called data1.dat.the writer shows output:

$ hexdump data1.dat -vc 00000000  41 41 41 41 41 41 41 41  41 41 41 41 41 41 41 41  |aaaaaaaaaaaaaaaa| 00000010  41 41 41 41 41 41 41 41  41 41 41 41 41 41 41 41  |aaaaaaaaaaaaaaaa| 00000020  41 41 41 41 41 41 41 41  41 41 41 41 41 41 41 41  |aaaaaaaaaaaaaaaa| 00000030  40 10 60 00 00 00 00 00                           |@.`.....| 00000038

i created file called data1.dat on 64 bit ubuntu containing:

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4010600000000000

but when type hexdump data1.dat -vc get:

test@test-virtualbox:~$ hexdump data1.dat -vc 00000000  41 41 41 41 41 41 41 41  41 41 41 41 41 41 41 41  |aaaaaaaaaaaaaaaa| 00000010  41 41 41 41 41 41 41 41  41 41 41 41 41 41 41 41  |aaaaaaaaaaaaaaaa| 00000020  41 41 41 41 41 41 41 41  41 41 41 41 41 41 41 41  |aaaaaaaaaaaaaaaa| 00000030  34 30 31 30 36 30 30 30  30 30 30 30 30 30 30 30  |4010600000000000| 00000040  0a                                                |.| 00000041 test@test-virtualbox:~$

i not sure doing wrong.


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