- admin - create and administer SCCS files (DEVELOPMENT)
- alias - define or display aliases
- ar - create and maintain library archives
- asa - interpret carriage-control characters
- at - execute commands at a later time
- awk - pattern scanning and processing language
- basename - return non-directory portion of a pathname
- batch - schedule commands to be executed in a batch queue
http://www.oreilly.com/programming/free/files/microservices-for-java-developers.pdf
http://www.oreilly.com/programming/free/files/microservices-for-java-developers.epub
http://www.oreilly.com/programming/free/files/microservices-for-java-developers.mobi
http://www.oreilly.com/programming/free/files/modern-java-ee-design-patterns.pdf
http://www.oreilly.com/programming/free/files/modern-java-ee-design-patterns.epub
http://www.oreilly.com/programming/free/files/modern-java-ee-design-patterns.mobi