What this snippet does
ss replaces netstat: t and u pick TCP and UDP, l listens, p names the process.
Expected output
tcp LISTEN 0 511 *:80 users:(("nginx",pid=1421))Why practise typing this
Typing networking code builds muscle memory for the symbols and indentation Linux uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.
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