Skip to main content

You are not logged in. Your edit will be placed in a queue until it is peer reviewed.

We welcome edits that make the post easier to understand and more valuable for readers. Because community members review edits, please try to make the post substantially better than how you found it, for example, by fixing grammar or adding additional resources and hyperlinks.

Required fields*

1
  • 9
    More complicated syntax is necessary when there's more possibilities than just 0 or 1 — programs often communicate useful information through exit codes. And it's also useful if you need to re-use that value later on in the code (for logging, for example). Commented Feb 20, 2011 at 20:42