In addition to `nmap -h` you might also use `man nmap` for more extensive list of arguments.

Take note, doing unwarranted nmap scans is considered network abuse. Doing it from your VPS might (depending on the hosters TOS) get your contract terminated.

> `nmap -h` you might also use `man nmap`

I wish linux man pages had more example sections. TBH I reach for `tldr nmap` or `tldr ...` first in most cases.