On 10/02/2014 09:14 AM, Tomasz Torcz wrote:
/bin/sh isn't supposed to "stay in memory". It's for one-off scripts, not for interactive use.
It will stay in memory around command invocations, and the executable code and mapped data will remain in the page cache (hopefully).
Allegedly, dash has reduced memory requirements, so the net benefit might still be positive, but it seems unlikely. For small (cloud) images, it might be interesting to get rid of bash altogether, but considering how many scripts start with #!/bin/bash instead of #!~/bin/sh, it's not likely to work.
If we are not satisfied with bash, I think we are all better off with improving bash.
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