Ubuntu - nmap - Scan Remote host for specific ports with TCP Syn

sudo nmap -PS -p 22,80 192.168.1.69

result:

Starting Nmap 6.40 ( http://nmap.org ) at 2016-07-08 01:28 BST
Nmap scan report for peter-laptop-1 (192.168.1.69)
Host is up (0.00010s latency).
PORT   STATE  SERVICE
22/tcp closed ssh
80/tcp open   http
 
Nmap done: 1 IP address (1 host up) scanned in 1.07 seconds