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shebang and path

Why does a shebang need a path?

Wrong

#!ruby

Correct

#!/usr/local/bin/ruby

#!/usr/bin/env ruby

The operating system should have the information regarding the path for a registered command, and why does it still expect it to be given?

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Correct minor typos or mistakes
Clarify meaning without changing it
Add related resources or links
Always respect the author’s intent
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create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)

<https://example.com>

[example](https://example.com)

<a href="https://example.com">example</a>

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