Who uses Pick? You can start reading here ... ... and here ... ... or you can watch the video series, What is Pick? Reference works: Jonathan E. Sisk's Pick/BASIC: A Programmer's Guide Conversion Code Examples Cross-platform @(-code) Comparison Cross-platform SYSTEM()/@COMMAND Comparison Pick/Multivalue Family Tree An Overview of the Pick Operating System by Dick Pick The Pick Operating System by Rick Cook and John Brandon (BYTE Magazine 1984) Terminal Key Codes