time seq 100 | xargs -i bash -c 'echo {}'
; 2.530s
time seq 100 | xargs -i sh -c 'echo {}'
; 0.223s
why?
PS: The title of mine for this post is more intuitive to be discovered or searched by google or any sort of search engines.
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3Related: [What is the point of sh being linked to dash?](https://askubuntu.com/q/976485/816190). Your actual question would be like: "Why bash is slower than sh"? – Kulfy Feb 11 '19 at 09:16
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The short answer is because `sh` is symlink to `/bin/dash`, which is different from `/bin/bash`, and `/bin/sh` symlinked to `/bin/dash` exactly because it's considerably faster shell – Sergiy Kolodyazhnyy Feb 11 '19 at 10:24