Tracy Teal was a graduate student when she executed what should have been a routine command in her Unix terminal: rm −rf *. That command instructs the computer to delete everything in the current directory recursively, including all subdirectories. There was just one problem — she was in the wrong directory.
Could the 3-2-1 rule have helped? To read this blog in full on the Nature website visit: https://www.nature.com/articles/d41586-019-01040-w
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