The short/one-liner examples are more likely to be done from command-line shell, where they would be much easier: head -10 /path/to/file dmidecode | grep

The short/one-liner examples are more likely to be done from command-line shell, where they would be much easier: head -10 /path/to/file dmidecode | grep -iq vmware && echo "is vmware" || echo "is not vmware" The list of projects written in each language has more to do with what else you use than the languages, e.g., if you are working with Ruby web apps you may use Rake and Capistrano. SCons, Mercurial, Bazaar, and YUM are all written in Python.