What this snippet does
Quoting ${arr[@]} preserves each element as a single word.
Expected output
web-01 web-02 db-01
Why practise typing this
Typing shell scripting 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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