Explaination of nmap's param '-Pn' is missing.

[FAAAAT]

https://explainshell.com/explain?cmd=nmap+-Pn just give result '-n' instead of '-Pn'.

You can find the explaination of -Pn here http://manpages.ubuntu.com/manpages/jammy/en/man1/nmap.1.html. Try search -Pn.