Network Interface ip a ifconfig iwconfig # View ARP Details ip n arp -a # View Route Details ip r route route -n # View Default Gateway Netstat Command netstat -r # View routing table netstat -a # View All Connection netstat -l # View Listening Ports Flags -p: Process ID/ Name -t: TCP Ports -u: UDP Ports -n: Numeric Ports -ie: Extended Interface (Same output as ifconfig) -c: Continuous Mode Config Files cat /etc/resolv.conf # DNS Configuration cat /etc/hosts # Hosts File Network Mapping