Edoardo Saccenti, who specializes in systems-data analysis and applied statistics at Wageningen University & Research in the Netherlands, has a good command of multiple programming languages.

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t pres… ...

A non-procedural programming language that requires less coding than lower-level languages. Command-line languages that come with operating systems and database management systems (DBMSs) are ...