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z/OS UNIX System Services part 1 - concepts & facilities


This course describes and explains UNIX System Services from a technician's point of view. The principal UNIX concepts are introduced and explained, and followed by a thourough examination of USS at a conceptual level. The course goes on to describe the facilities available and explains how the MVS system environment has changed to support open system and UNIX concepts through z/OS USS.

On successful completion of this course, attendees will be able to:

  • understand and use the terminology associated with UNIX
  • describe basic UNIX concepts
  • issue UNIX shell commands
  • explain the changes that have been made to the MVS platform in order to support applications created for a UNIX environment
  • identifiy the facilities and functions provided within USS.

Main topics

  • Introduction to UNIX and open systems

Where did UNIX come from?; the three \Qfoundations': SVR4, BSD, OSF/1; commercial and \Qhobby' UNIX systems; open systems standards; POSIX and Open Group branding.

  • UNIX system overview
  • UNIX internals overview

Processes and programs; the Shells; UNIX file system; user accounts & access control.

  • The Kernel and the Shell

Different shells: Bourne, Korn, C; starting the Shell; main Shell functions; Command Line interpretation; UNIX multitasking: foreground, background; Shell variable and shell programming.

  • The UNIX file system concept

Files, directories and permissions; listing, locating, copying and moving files; controlling I/O and using Pipes; browsing & searching text - pg, grep; sorting text files; formatting and printing.

  • Why z/OS UNIX?

The POSIX standards and z/OS UNIX; other standards.

  • USS packaging and features

UNIX support in MVS; packaging and co-requisite products; terminal and workstation support; special TSO/E commands; UNIX concepts in OMVS; fork(), spawn(), interprocess communications (IPC), memory mapped files, threads, daemons.

  • Interactive UNIX

TSO terminal support; direct login with rlogin and telnet; the Shell and shell commands; TSO commands and ISPF panels; OEDIT and OBROWSE.


Intended for

All IT technicians working in a z/OS technical environment that will be encompassing the use of USS.


A basic understanding of mainframe data processing (see MVS and z/OS overview).

Training method

Lecturing with labs.

Course leader

Koen De Backer, RSM Technology.


2 days.


Vous pouvez vous inscrire en cliquant sur une date
dateduréelang.  lieu  prix
19 Jul2EHigh Wycombe  (GB)850 GBP  (excl. TVA) 
25 Sep2EHigh Wycombe  (GB)850 GBP  (excl. TVA) 
11 Dec2EHigh Wycombe  (GB)850 GBP  (excl. TVA) 

Score global

4.0/5 (basé sur 57 évaluations)


I have really enjoyed the course. (, )
Short and sweet (, )
A good introduction to z/OS USS (, )
Très bonne présentation et maîtrise du sujet par le prof (, )
Ideale inleiding tot Unix en USS (, )
Excellent (, )
Bonne introduction to Unix (, )
Goed, meer oefeningen zou mooi zijn. (, )
goed, praktijk kon iets meer (, )
Goed overzicht van de functionaliteiten (, )