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Linux & Shell · Command

ss

ss investigates Linux sockets and prints socket statistics. It can show connections, listeners, owning processes, TCP details, timers, summaries, and filtered results.

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Syntax

ss [ options ] [ FILTER ]

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  • netstat(8)
  • ip(8)
  • STATE-FILTER
  • EXPRESSION
  • HOST SYNTAX

Source: ss(8) - Linux manual page. Checked 2026-11-03.