The POSIX standard manual pages for the utilities can be found here: https://pubs.opengroup.org/onlinepubs/9799919799/idx/xcu.html https://pubs.opengroup.org/o

The POSIX standard manual pages for the utilities can be found here: https://pubs.opengroup.org/onlinepubs/9799919799/idx/xcu.html https://pubs.opengroup.org/onlinepubs/9799919799/idx/xcu.htm... These would all be in section 1, if I am correct.