# Nmap

## TL;DR

```shell
# scan all 65535 ports on a host
nmap -p- 192.168.1.1

# scan a single port on a subnet
nmap -p 22 192.168.0.0/24

# detect a host's os
nmap -O 192.168.0.1
```

## Further readings

- [Cheatsheet]
- [OS detection]

[cheatsheet]: https://hackertarget.com/nmap-cheatsheet-a-quick-reference-guide/
[os detection]: https://nmap.org/book/man-os-detection.html