What this snippet does
-h is human readable and -T adds the filesystem type.
Expected output
/dev/sda1 ext4 40G 28G 11G 73% / total 40G 28G 11G 73%
Why practise typing this
Typing disk & filesystem 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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