Name
#!shell — Invoke the named interpreter to execute the script.
Synopsis
#!shell[option]
Used as the first line of a script to invoke the named shell. Anything given on the rest of the line is passed as a single argument to the named shell. This feature is typically implemented by the kernel, but may not be supported on some very old systems. Some systems have a limit of around 32 characters on the maximum length of shell. For example:
#!/bin/sh
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