Example: 

$a=`dd if=/dev/$cmd of=/dev/null bs=4096 count=2 > ddlog.txt 2>&1`;

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$cmd is variable used to give user input from drop down box. At run time if i give 
$a=`dd if=/dev/ram0 of=/dev/null bs=4096 count=2 > ddlog.txt 2>&1`;
the output is printed on terminal but i want it to display in textbox.

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In reply to Adding DD Unix command in Perl by asha_mail

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