Posted by Philip Hallstrom on 10/20/84 11:16

> I am having the strangest problem using system() or exec() or any
> variation. None of them work on the Fedora Core 3 system that was
> just loaded. The PHP is Version 4.3.11 with Apache 2.0.52, the default
> installation for Fedora Core 3. Everything in PHP works as expected
> except when trying a system call. If I run :
>
> <?
> system("/bin/ls /tmp");
> ?>
>
> on my OS X (Apache/1.3.33 (Darwin) PHP/4.3.4) this returns the desired
> results, a listing of the tmp directory. On the Fedora box I get
> nothing, a blank page. There is content in the /tmp directory on the
> Fedora box.

Compare the output of phpinfo() on each machine. Investigate any
differences...

Also maybe this will help:

http://us4.php.net/features.safe-mode

-philip

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