Unix Scripting
Since the Unix shell command line and the Unix scripting languages Perl and Ruby are mentioned in this book, here are some suggestions for further reading:
Dave Taylor and Brian Jepson, Learning Unix for Mac OS X (O’Reilly & Associates: 2002)
Larry Wall et al., Programming Perl, Third Edition (O’Reilly & Associates: 2000)
“Programming Ruby,” an excellent online book:
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