"to this day" in 1994 is very much not "to this day" in 2020. The various BSDs use the Almquist and Korn shells for /bin/sh nowadays. Indeed, M. Van der Linde

"to this day" in 1994 is very much not "to this day" in 2020. The various BSDs use the Almquist and Korn shells for /bin/sh nowadays. Indeed, M. Van der Linden was out of date even back in 1994. At that time, BSD had already been largely freed of AT&T code, such as the Bourne shell, for 3 years. It's now approaching 3 decades.