Am 25.08.2015 um 15:51 schrieb Rob Mandeville:

> Why does running a shell step without a shebang behave differently
> than it does with a “#!/bin/bash –ex” shebang?  Exactly what is being
> run without  a shebang?

What sh is, depends on your OS. It may be bash, or something else.

CentOS:
# ll =sh
lrwxrwxrwx. 1 root root 4 Nov 18  2014 /bin/sh -> bash

Ubuntu:
# ll =sh
lrwxrwxrwx 1 root root 4 Dec  2  2014 /bin/sh -> dash

HTH...

    Dirk
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