IBM is believed to have committed to the Adobe Systems Inc Display PostScript screen-writing language to the extent that it is considering microcoding the language into all its display terminals. Such a move would facilitate implementing the Common User Access element of Systems Application Architecture across IBM’s incompatible product lines, and would enable the company to put more of an IBM stamp onto its AIX implementation of Unix Display PostScript is a key element in the NextStep user interface from Next Inc that IBM has licensed for use with its AIX Unix product line.