Check that whatis exists in your Bourne shell. It could be an old version that does not have it (system uses the Bourne shell on UNIX by default). Check the return value, or $?.
If you want to capture the output in Perl, maybe you should be using qx (or back-ticks) instead?

In reply to Re^2: system call how-to by cdarke
in thread system call how-to by elsiddik

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