#!/bin/sh   san_function&#40;&#41; &#123;       echo &quot;Welcome to the Sanfoundry&quot;       printf &quot;World of Linux\n&quot;   &#125;   unset -f san_function   san_function   exit 0
A. Welcome to the Sanfoundry
B. World of Linux
C. both (a) and (b)
D. nothing will print
Answer:A
#!/bin/sh   san_function&#40;&#41; &#123;       echo &quot;Welcome to the Sanfoundry&quot;       printf &quot;World of Linux\n&quot;   &#125;   unset -f san_function   san_function   exit 0
A. Welcome to the Sanfoundry B. World of Linux C. both (a) and (b) D. nothing will print
Explanation:Function definition was deleted before calling the function. command ‘unset -f function_name’ deletes the function definition.