10 command-line tools for data analysis in Linux: 
So you’ve landed on some data you want to analyze. Where do you begin?
Many people used to working in a graphical environment might default to using a spreadsheet tool, but there’s another way that might prove to be faster and more efficient, with just a little more effort. And you don’t need to become an expert in a statistical modeling language or a big data toolset to take advantage of these tools.
read more: Opensource.com Jason Baker
Supporting Open Source.
Have you tried: Visiting Port Elizabeth?