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Command Line Bootcamp - A great interactive tutorial for learning the basics of the command line
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Art of the Command Line - Not interactive, but more exhaustive than the bootcamp.
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explainshell - Give it a shell command, and it'll tell you what all the parts mean. Never wonder what
cat ./in | cut -f 2 | sort | uniq -c | sort -n -k1 | sed -e 's/^[ \t]*//' > ./out
means again!
- The Rosalind Project - A set of challenges designed to teach python for bioinformatics. The Python Village and Bionformatics Armory are most relevant.
- R for data science - An ebook on R with a focus on plotting and and dealing with flat data files. It is written by the creator of ggplot and dplyr, Hadley Wickham.