1 “... dominated the computer industry. In the 1980s, the desktop PC liberated people from room-sized, mainframe...”

2 “... as powerful as those of mainframe computers of earlier days. With this technology has come a variety of self...”

3 “..., beginning with historical perspectives on mainframe computers and early networking protocols, moving...”

4 Table of Contents: “...A Message Authenticator Algorithm Suitable for a Mainframe Computer -- Key Management for Secure...”

5 “..., could be done only on mainframe computers can now be done on desktop computers, often using applications...”

6 “... of z/OS. Version 2 lays the groundwork for the next tier of mainframe computing, enabling you to pursue...”