thinQmaster Virtual testing partner Adaptive practice exams that find your weak spots and drill them. Every answer explained. From $69
Enroll

thinQmaster

Find your exam

Five questions free, before you decide.

Step 1 · choose a vendor

In one of our camps? Your practice exams come with the tuition — they are on your study page already.

Networking Fundamentals · Intermediate

Socket Statistics Command (ss)

The modern Linux command that displays socket information, replacing netstat.

Definition

ss -tulpn lists TCP and UDP listening sockets with process names.

Example

ss -tulpn shows sshd listening on 0.0.0.0:22.

Exam tip

ss is the Linux replacement for netstat.

Related terms