Why Ubuntu Softwares are not packaged in a single file?

Posted by Anwar Shah on Ask Ubuntu See other posts from Ask Ubuntu or by Anwar Shah
Published on 2012-06-16T20:19:53Z Indexed on 2012/06/16 21:22 UTC
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packages

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software

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dependencies

We see Most of the Windows Softwares are packaged in a Single executable file. When I double-click Setup file, it sets up all the files, binaries and libraries with it.

I understand the dependency of Ubuntu or more generally linux packages. But I wonder, Why these exists. Isn't it possible to build a single file with all dependencies. What is the problems with this method?

Please try to give the reason in details.

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