> `/bin/sh` is guaranteed to exist by POSIX Quite the contrary > Applications should note that the standard PATH to the shell cannot be assumed to be either /

> `/bin/sh` is guaranteed to exist by POSIX Quite the contrary > Applications should note that the standard PATH to the shell cannot be assumed to be either /bin/sh or /usr/bin/sh, and should be determined by interrogation of the PATH returned by getconf PATH,ensuring that the returned pathname is an absolute pathname and not a shell built-in. https://pubs.opengroup.org/onlinepubs/9799919799/utilities/sh.html#tag_20_110_16 https://pubs.opengroup.org/onlinepubs/9799919799/utilities/s...