#!/bin/bash	echo &quot;Please enter a number&quot;	read a	if &#91; $a -lt 100 &#93;; then	echo &quot;It is less than 100&quot;; 	elif &#91; $a -lt 1000 &#93;; then	echo &quot;It is less than 1000&quot;	else 	echo &quot;It is greater than 1000&quot;	fi	exit 0
A. It is greater than 1000
B. It is less then 1000
C. It is equal to 1000
D. none of then mentioned
Answer:A
#!/bin/bash	echo &quot;Please enter a number&quot;	read a	if &#91; $a -lt 100 &#93;; then	echo &quot;It is less than 100&quot;; 	elif &#91; $a -lt 1000 &#93;; then	echo &quot;It is less than 1000&quot;	else 	echo &quot;It is greater than 1000&quot;	fi	exit 0
A. It is greater than 1000 B. It is less then 1000 C. It is equal to 1000 D. none of then mentioned
Explanation:None.