This IBM Redbooks publication is Volume 4 of a five-volume set that is designed to
introduce the structure of an OS/390 and S/390 operating environment.
The set will help you install, tailor, and configure an OS/390 operating
system, and is intended for system programmers who are new to an OS/390
In this Volume, Chapter 1 provides an introduction to the basics of
mainframe networking concepts, including hardware connectivity, OSA/SF,
SecureWay Communication Server,
SNA (VTAM), and IP (TCP/IP).
Chapter 2 describes OS/390 security with RACF.
Chapter 3 provides on overview of OS/390 UNIX System Services.
Chapter 4 describes the Language Environment which provides a common
run-time environment for IBM versions of certain high-level languages
(HLLs), namely, C, C++, COBOL, Fortran, and PL/I.
Chapter 5 describes the Infoprint Server which is an optional feature of
OS/390 Version 2 Release 8 that uses OS/390 UNIX System Services. This
feature is the basis for a total print serving solution for the OS/390
environment. It lets you consolidate your print workload from many
servers onto a central OS/390 print server.
Table of contents