#!/bin/bash

MAXLENGTH=$(cut -d: -f1 < /etc/passwd | wc -L)
MINLENGTH=$MAXLENGTH
SMALLESTNAME=""

for NAME in $(cut -d: -f1 < /etc/passwd)
do
if [ ${#NAME} -eq $MAXLENGTH ]
then
        echo "The Longest UserName In The System
Is:" $NAME
        echo " Its Length Is" $MAXLENGTH
elif [ ${#NAME} -lt $MINLENGTH ]
then
        MINLENGTH=${#NAME}
        SMALLESTNAME=$NAME
fi

done

 echo
 echo "The Smallest UserName In The System Is:"
 $SMALLESTNAME
 echo "Its Length is:" $MINLENGTH