Appendix A Introduction to USS (UNIX)

Table of Contents

UNIX File System
UNIX Files vs. MVS Data Sets
Referring to Data Sets
Setting Environment Variables in UNIX
Entering USS
File and Directory Permissions in UNIX
UID
MVS vs. UNIX Functional Comparison
Further Information

Tectia Server 6.5 for IBM z/OS is installed to z/OS Unix System Services (USS), which is a certified UNIX operating system, optimized for mainframe architecture, included in z/OS.

The purpose of this appendix is to provide a quick reference to basic information about USS/UNIX for those readers who are not previously familiar with it.