Linux commands - practical reference, This is a linux command line reference for common operations. examples marked with • are valid/safe to paste without modification into a terminal, so you may want. Reference components - high- audio, The various "reference components" files are the accumulated knowledge and judgment of a number of highly experienced audiophiles whose judgements i most respect and. Reference - ++ reference, Standard c++ library reference. c library the elements of the c language library are also included as a subset of the c++ standard library..