Shells have not dramatically altered pipe character implementations since Dennis Ritchie introduced | into Unix V4. Most folk's use of the command line interfa

Shells have not dramatically altered pipe character implementations since Dennis Ritchie introduced | into Unix V4. Most folk's use of the command line interface has changed so much since those days that |'s default "glue" still drops out information that many of today's hackers consider a common part of the contemporary Unix terminal experience, such as text color.