How to determine which executables are called when running an application
 

Complex applications normally use many lower level binary/executables while running.

Is there any way I can determine what binaries an application calls while I'm using it?

You could try the ltrace command:

http://linux.die.net/man/1/ltrace

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Steve Stites

Okay, what if my application is started via a shell script?

ltrace returns an error saying it can't open it.

I did run ltrace and just fed it 'ls'... it's a pretty sweet command.

You could try running ltrace from within the script.

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Steve Stites

To see which executable will be found first in the default search path:
Having found the runnable file, if it is a compiled and linked binary object module, you can see what libraries are linked against it with ldd:
--- rod.