Unix

1:

 The following program
main()
{
close(1);
print("How R U?");
}

A.

is syntactically incorrect

B.

results in a run-time error

C.

will wait indefinitely, if executed

D.

none of the above

 

Answer : D

Explanation :

The close statement closes the file, whose Tile descriptor is 1, i.e., stdout. So, print f will fail. So. the program immediately terminates.

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Option: A

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