username

#!/usr/bin/env bash

echo "Please Enter First Name"
read fname

echo "Please Enter Last Name"
read lname

echo "Please Enter birthdate in ddmmyyyy"
read bdate

echo "${fname}${lname}"
echo "${fname}.${lname}"
echo "${lname}${fname}"
echo "${lname}.${fname}"
echo "${fname:0:1}${lname}"
echo "${lname:0:1}${fname}"
echo "${fname:0:1}.${lname}"
echo "${lname:0:1}.${fname}"
echo "${fname}${lname}${bdate:0:2}"
echo "${fname}${lname}${bdate:0:4}"
echo "${fname}${lname}${bdate:4:7}"
echo "${fname}.${lname}${bdate:0:2}"
echo "${fname}.${lname}${bdate:0:4}"
echo "${fname}.${lname}${bdate:4:7}"
echo "${lname}${fname}${bdate:0:2}"
echo "${lname}${fname}${bdate:0:4}"
echo "${lname}${fname}${bdate:4:7}"
echo "${lname}.${fname}${bdate:0:2}"
echo "${lname}.${fname}${bdate:0:4}"
echo "${lname}.${fname}${bdate:4:7}"
echo "${fname}.${lname}${bdate:6:7}"
echo "${lname}.${fname}${bdate:6:7}"