A Professor Wingman Class 404

Command cheat sheets

Click any command to copy it.

Windows Commands

hostname

Shows computer name

whoami

Shows current signed-in user

cd

Shows or changes current directory

dir

Lists files and folders

ipconfig

Shows IP address information

ipconfig /all

Shows detailed network adapter information

ping 127.0.0.1

Tests local networking stack

ping <ip>

Tests communication with another host

tracert <address>

Shows path packets take to destination

netstat

Shows active connections

nmap --version

Checks Nmap install

ncat --help

Checks Ncat install

Linux Commands

hostname

Shows computer name

whoami

Shows current user

pwd

Shows current directory

ls

Lists files and folders

ip addr

Shows IP address information

ip route

Shows route/gateway information

ping -c 4 127.0.0.1

Tests local networking stack

traceroute <address>

Shows path if installed

df -h

Shows storage

free -h

Shows memory

nmap <target>

Approved basic scan

nc -h

Checks Netcat

OSI Model Quick Reference

Please — Physical

Cables, ports, power, signals

Do — Data Link

MAC addresses, switches, local communication

Not — Network

IP addresses, subnet masks, routing

Throw — Transport

TCP, UDP, ports

Sausage — Session

Maintains sessions

Pizza — Presentation

Formatting, encryption, compression

Away — Application

User-facing software and services