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 thorough 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
- identify the facilities and functions provided within USS.
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).
- Introduction to UNIX and open systems
Where did UNIX come from?; the three 'foundations': SVR4, BSD, OSF/1; commercial and 'hobby' 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.
Lecturing with labs.
Koen De Backer, RSM Technology.
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