What is the output of the program?

#! /usr/bin/awk -f BEGIN { a[1]="IFT383" a[2]="IFT383" for(i=1;i<3;i++) { print a[i] } }

a.

IFT383 will print two times

b.

IFT383 will print three times

c.

the program will generate an error because two array elements have the same value

d.

the program will generate a syntax error

Which of the following statements is an example of string concatenation in awk?

a.

print "Hello" " world"

b.

print "Hello" + " world"

c.

print "Hello"." world"

d.

print "Hello world"

What does the following nawk script print?

'BEGIN {

for (key in ENVIRON)

print key "=" ENVIRON[key]

}'

a.

All the environment variables with their values

b.

All subscripts of the ENVIRON array

c.

Just the names of the environment variables

d.

Nothing