[nmap_scanner.sh]
#!/bin/bash
# create the output directory
mkdir ./nmap_scan
# loop over each ending ip octet
for i in `seq 1 254`;
do
ip="192.168.1.$i"
echo $ip
# run the scan, save the output to a unique file per IP
nmap -vv -O -Pn -sTUV --top-ports 1000 $ip | tee "./nmap_scan/$ip.txt"
done