-A: Aggresive scan. Enable OS detection, version detection, script scanning, and traceroute-O -sV -sC --traceroute-O: Operating system detection-p <ports,>: Specify ports to scan-p-: Scan every port-Pn: Treat each host as active. Skip host discovery-sS: TCP SYN scan (stealth scan). Quick scan. Does not complete the TCP connection-sT: TCP connection scan-sU: UDP scan-sV: Service version scan