#! /usr/bin/awk -f   BEGIN &#123;       print log&#40;1&#41;   &#125;
A. 0
B. syntax error
C. fatal error
D. segmentation fault
Answer:A
#! /usr/bin/awk -f   BEGIN &#123;       print log&#40;1&#41;   &#125;
A. 0 B. syntax error C. fatal error D. segmentation fault
Explanation:The function log() is built-in function and need not to be defined. This function calculates the natural logarithm of positive numbers.