What this snippet does
Quoting the delimiter stops the shell expanding variables inside the block.
Why practise typing this
Typing pipes & redirection 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
- Chaining commandsPipes & Redirection · beginner
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- Redirecting stderrPipes & Redirection · intermediate
- Order of 2>&1 mattersPipes & Redirection · intermediate
- Seeing and saving outputPipes & Redirection · intermediate
- Writing to a root-owned filePipes & Redirection · intermediate