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a100
mov ax,0201
mov bx,0200
mov cx,0001
mov dx,0080
int 13
int 20
^C
-g=100
Program terminated normally
-rcx
CX 0000
:300
-n mboot.dat
-w
Writing 00300 bytes
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dd bs=512 count=1 if=/dev/hda0 of=/you/back/path/mbr.bk
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