This text provides programmers with methods for designing CICS applications that can be split across mainframe, workstation and LAN system configurations. It offers guidelines for producing consistent cross-application SAA/CUA interfaces, implementing CICS data recovery and security features, tuning OS/2 parameters to enhance system performance, managing a co-operative CICS network from central site and implementing IBM's NetView family of products. Tips are offered for PS.2 configurations, database integration approaches and LAN implementation strategies. The book covers CICS/ESA version 3, release 3.