Warren wrote: : If you don't have RK05 or RL02s, someone should be able to build : a suitable disk image for you. I think you'll need to go 6th Edition : as you have a /23. 7th Edition runs fine on an 11/23 or 11/34, providing you build the 'small machine' version. I've had 7th on my 11/23 with 256K and 2xRL02 for years. Pete