\_ [...] \_ cat linuxisoaa >> linuxrocks.iso \_ cat linuxisoab >> linuxrocks.iso \_ cat linuxisoac >> linuxrocks.iso \_ cat linuxisoad >> linuxrocks.iso \_ cat linuxisoae >> linuxrocks.iso \_ cat linuxisoaf >> linuxrocks.iso \_ cat linuxisoag >> linuxrocks.iso \_ \_ depending on how many files you want to recombine it would be handy to \_ have a script to take care of that um, cat linuxiso* > linuxrocks.iso doesn't work for some reason? The fileglobbing expands asciibettically, just like split creates them. Of course, you could run into problems if you have other files named linuxiso, but then you shouldn't have given it that prefix.... David