What this snippet does
-n prefixes each match with its line number.
Expected output
412:Jul 28 08:41:02 web-01 nginx[1421]: error ...
Why practise typing this
Typing text processing 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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