On 2016-02-11 23:48, Didier Kryn wrote:
Le 11/02/2016 19:25, shraptor a écrit :
In my setup /usr/bin/dash is a symlink to /usr/bin/bash
That's a big mistake.
On any Debian system, /bin/sh points to /bin/dash, and dash
doesn't point to bash. Your system has certainly been hacked.
Yes, It has been hacked by me,
I could have installed dash but a symlink worked fine.
It works!
Sure, bash can process ash scripts. The problem is the opposite
isn't true because bash provides a lot of additional features,
"bashisms", which distros decided to erradicate from their scripts.
Users are free to write bash or ksh scripts, but portable scripts must
execute on ash.
Didier
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