OS detection nmap

Aggressive scan nmap -A 192.168.1.1 Scan a subnet nmap 192.168.1.0/24 Ping scan (host discovery) nmap -sn 192.168.1.0/24 Scan specific ports nmap -p 22,80,443,8080 192.168.1.1 Scan port range nmap -p 1-1024 192.168.1.1