This is a busy year for the sleep giant of Learn to Code movement - Codecademy.com. Thankfully it has come back with a bang, launching solid courses in Ruby on Rails, Authentication, AngularJS, and now Command Line, Unit 2. +Codecademy #commandline #learntocode
It covers the basics ls, pwd, nano in Unit 1, now it's ready to show some serious chaining and piping, two shell command concepts that professional programmers constantly use. It's easy for beginners to lose track.
$ sort deserts.txt | uniq > uniq-deserts.txt
What is uniq, what is in deserts.txt and uniq-deserts.txt, and what will be returned in the terminal or shell.
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