list all IP information command
ip a
list all IP information command (old school way)
ifconfig
used to show wireless connections
iwconfig
says what mac address is associated with what IP addresses (2 possible commands, 1 older)
shows other computers on the network
ip n, arp -a
how to know where our traffic is routing (routing table) command
ip r (route is old school way)
how to check if IP address responds, is online
ping
how to identify what open ports and services there are
netstat (can show a user that malware is on the machine)