What is the output of this program?
#!/bin/bash
var1=10
$var1=20
echo $var1
exit 0
#!/bin/bash
var1=10
$var1=20
echo $var1
exit 0A. program will print 10
B. program will generate a warning message
C. program will print 20
D. program will print 10 & 20
Answer: Option D
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