Indeed, and local is one of the few non-POSIX things that Debian people famously could not live without, and so is required to exist in all Debian shells that c

Indeed, and local is one of the few non-POSIX things that Debian people famously could not live without, and so is required to exist in all Debian shells that can be used as /bin/sh such as the Debian Almquist shell. * https://debian.org/doc/debian-policy/ch-files.html#s-scripts https://debian.org/doc/debian-policy/ch-files.html#s-scripts