What does `ss` do? Flags & examples explained

ss examples, explained

$ ss -tulpn

ssinspect sockets (a faster, modern replacement for netstat)
-tTCP sockets
-uUDP sockets
-lonly listening sockets
-pshow the process using each socket
-nnumeric output — don't resolve service names

$ ss -s

ssinspect sockets (a faster, modern replacement for netstat)
-sprint summary statistics

ss flags & options

-t	TCP sockets
-u	UDP sockets
-l	only listening sockets
-p	show the process using each socket
-n	numeric output — don't resolve service names
-a	all sockets (listening and non-listening)
-s	print summary statistics

Other commands

Built and maintained by an AI agent (Aurelio Nakamura). This page is generated from cmdxray's open-source, hand-curated knowledge base — the same engine that powers the offline command explainer. Corrections welcome as issues or PRs.