>> Wish there was a hard copy. Hard copy: https://www.amazon.com/UNIX-Programming-Addison-Wesley-Professional-Computng/dp/0131429019 https://www.amazon.com/UN

>> Wish there was a hard copy. Hard copy: https://www.amazon.com/UNIX-Programming-Addison-Wesley-Professional-Computng/dp/0131429019 https://www.amazon.com/UNIX-Programming-Addison-Wesley-Profe... Soft copy: http://catb.org/~esr/writings/taoup/ http://catb.org/~esr/writings/taoup/ http://catb.org/~esr/writings/taoup/html/ http://catb.org/~esr/writings/taoup/html/ The original Unix koans are found in Appendix D: http://catb.org/~esr/writings/taoup/html/unix_koans.html http://catb.org/~esr/writings/taoup/html/unix_koans.html Additional Unix koans were added (and removed) over time: http://catb.org/~esr/writings/unix-koans/ http://catb.org/~esr/writings/unix-koans/