Linux, output redirection

I have a program I run that calls a java jar which produces both output and error stacks

./s.sh

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The error stack (and output combined) are too much for my screen and I want to redirect both output and error info to a single file, something like

./s.sh > a.out

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However, not all data is redirected there, and I don't quite know how to redirect botht he error and output to the same file

Could someone plese post and example of how to do this ?

Thanks
Los Angeles1Asked:
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woolmilkporcCommented:
./s.sh > a.out 2>&1

"1" (the default) is the is the file descriptor of stdout and "2" is the one of stderr.

2>&1 means "redirect stderr to where stdout is redirected right now", so a.out will contain a mix of stdout and stderr.
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David CarrCommented:
Use 2>&1
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woolmilkporcCommented:
You can also separate stdout and stderr (redirect to two distinct files), like this:

./s.sh >a.out 2>e.out
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