>A few ideas, which might be useful for the future at least:  1) switch 
>to GNUTAR (I was using GNUTAR but had ended up switching to ufsdump due 
>to some problems); 2) there used to be a "binary compatibility layer" 
>that let you execute Solaris executables on Linux, but maybe that has 
>disappeared, or at least would probably require compiling a "custom 
>kernel"; 3) look for source code for ufsrestore, but I don't think it's 
>Open Source; 4) Can Solaris run under VMware on x86 architecture? 5) 
>look for Open Source libraries that can parse ufsdump format, or ufs 
>filesystem, and write your own code.

Thanks for this. I should of clicked that the command listed in the docs 
wasn't for tar. I do use gnutar, so the command would be:

dd if=/dev/nst0 bs=32k skip=1 | tar xzvf -