Chapter 12.2, Guideline 1: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap12.html https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1

Chapter 12.2, Guideline 1: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap12.html https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1... Program names should be between 2 and 9 characters; As a thing to consider. Also, searching for `e` may be weird.