What Is # /Bin/Sh For. There are various implementations of sh like bourne. The second one is hardly ever found on the net, and it mostly comes up in reverse.
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#!/bin/sh means run this script in sh which is the default unix shell, which might be bash or any. Sh (shell command language)is a programming language as described by posix standards. As we mentioned earlier, #!/usr/bin/env bash is also a shebang line used in script files to execute commands with the bash shell.
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Bash is the default shell for most linux distributions, and /bin/sh is normally some sort of link to. /bin/sh is an executable file that represents the system shell. one of them is probably a link to the other. This character combination has a special meaning when it is used in the very first.
