What this snippet does
watch repeats a command on an interval and highlights what changed.
Expected output
Every 2.0s: ss -tan | wc -l 412
Why practise typing this
Typing monitoring & performance 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.
More Linux practice
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- Spotting swap pressureMonitoring & Performance · advanced
- Checking disk latencyMonitoring & Performance · advanced
- Reading kernel messagesMonitoring & Performance · intermediate
- The OOM killer picks a victimMonitoring & Performance · advanced