Few of these, presumably, were mainframe users.

"To a mainframe user, this software opens up a whole new world," she said.

IMS provided advanced engineering and software management to mainframe users, including business and the United States Government.

These arrays of disks not only took up less space than DASD's but allowed mainframe users faster access to the stored data.

As a general rule general mainframe users are prohibited from modifying Endevor controlled libraries.

Over the next two years, six out of 10 mainframe users in Western Europe will cease to use such machines as their main computing environment.

According to Dataquest Inc., a market research firm in San Jose, Calif., more than 46 percent of mainframe users are considering downsizing.

SmartStream is intended to provide a means for mainframe users to move to client/server arrangements without abandoning their existing systems.

OpenVision's technology is aimed at managing large geographically dispersed networks of heterogeneous computers with the degree of control comparable with that expected by mainframe users.

Furthermore, he says he can find no example of a large mainframe user ever downsizing, adding that to do so would inevitably lead to lower company profits.