Highlighting yet again the disarray in its Unix activities, IBM yesterday accompanied launch of version 1.2 of Network File System for AIX/RT with the news that it is withdrawing AIX/RT Distributed Services Version 1.3, AIX PS/2 Distributed Services and the AIX/370 Distributed Services Statement of Direction: these were announced or made either in February last year or as long ago as March 15, 1988, but have never been shipped to customers or acted upon.The new version of Sun Microsystems Inc’s Network File System for the RT is based on Open Network Computing/Network File System Version 4.0, and the enhancements include a wide range of communications solutions with improvements in remote file locking support, user authentication functions, and automatic file system mount capability. It is set for April 27 at a one-time $1,090.