On Fri, May 17, 2002 at 08:45:52PM -0400, Michael O'Donnell wrote: [snip]
> Just for fun, we can create our very own device node that > activates the same kernel code and is in every possible > way the equivalent of /dev/null. This is an admittedly > trivial (though thoroughly exhilarating!) exercise but > before you laugh please recall that any number of startups > during the dotcom era had business plans that were less > obviously worthwhile. > > We'll call our device node "useless" and we'll create > it in the /tmp directory to connote its lasting value. > The utility program "mknod" can create the node for us: > > mknod /tmp/useless c 1 3 > > ...and the result is a new device node under the /tmp > directory node with the same attributes as /dev/null: For more fun, someday, I'm going to have to do the following on I system I can afford to trash: # rm /dev/zero /dev/null;mknod /dev/null c 1 5;mknod /dev/zero c 1 3 just to see what happens. Even better, if it has a minimal, non-disasterous effect, would be to do it to a work associate's system and watch him struggle to figure out what's wrong with only certain commands. :-) Unix/Linux is just too much fun... -- -Paul Iadonisi Senior System Administrator Red Hat Certified Engineer / Local Linux Lobbyist Ever see a penguin fly? -- Try Linux. GPL all the way: Sell services, don't lease secrets ***************************************************************** To unsubscribe from this list, send mail to [EMAIL PROTECTED] with the text 'unsubscribe gnhlug' in the message body. *****************************************************************
