/bin/sh vs. /bin/bash
I recently installed an other shell than bash as /bin/sh (ash
precisly) just to test the systems behaviour and noticed that some
scripts stopped working correctly. For example, /etc/init.d/rcS had
problems executing some scripts (e.g., loading the keymap). I changed
it to be #!/bin/bash instead of #!/bin/sh.
The problem is that sh (as link to bash) still have some more features
than the standard bourne shell (ash is the NetBSD implementation of sh
according to its description).
Is this to be considered as a bug and should I report it?
 the using of non-sh features in a script started with #!/bin/sh