Open System Services (OSS) for Guardian Developers

( Duration: 4 Days )

This Open System Services (OSS) for Guardian Developers training course provides the knowledge to use UNIX commands and utilities and to develop applications in the Open System Services (OSS) environment on HPE NonStop Servers. The lectures and labs will focus on OSS basics, commands, utilities, and development tools. In addition, you will be introduced to OSS application programming interface (API) usage and the OSS sockets interface.

By attending Open System Services (OSS) for Guardian Developers workshop, delegates will learn to:

  • Get an introduction to OSS
  • OSS file system basics
  • OSS architecture, commands, and utilities
  • OSS development environment
  • OSS API usage and sockets basics

  • Six months experience as a NonStop Administrator and
  • Attend a training on Concepts and Facilities for HPE NonStop Systems or equivalent practical experience

The Open System Services (OSS) for Guardian Developers class is ideal for:

  • Application developers
  • System programmers



Introduction to OSS

  • History of UNIX
  • The POSIX standard
  • NonStop servers that use OSS
  • Guardian and OSS interface differences

OSS file system basics

  • Accessing OSS
  • The OSS file system
  • Permissions
  • File types
  • Typical directories

Basic commands and utilities

  • Navigational and display commands
  • TACL/OSS command equivalents
  • Printing from OSS
  • Process management

Advanced commands and utilities

  • More advanced commands
  • Redirection and piping
  • Profile files
  • Environment variables
  • Command line editing
  • Miscellaneous commands such as grep and awk

OSS file editing

  • The vi editor
  • Copying files between OSS and Guardian environments
  • Text file conversion between OSS and Guardian environments

Command scripting

  • Command files
  • Use of TACL commands from OSS
  • Use of OSS commands from TACL
  • Variable usage
  • Aliases
  • Control structures
  • Functions
  • Argument processing
  • Tracing

OSS development

  • Tools and utilities such as c89, c99, ecobol, tar, pax, eld, and enoft
  • Compiling and linking using make
  • Compiling and linking for SQL/MX
  • NonStop Development Environment for Eclipse
  • Debugging with Inspect
  • Debugging with Visual Inspect

Porting issues

  • General porting considerations
  • Porting design issues
  • Interprocess communications features
  • Pipes and FIFOs
  • Performance considerations
  • $RECEIVE handling

OSS subsystem architecture

  • Subsystem processes
  • Subsystem files
  • OSS subsystem startup
  • OSS configuration overview
  • The gname and pname utilities
  • DEFINE usage

Application programming interface (API) usage

  • Accessing standard POSIX system calls
  • Accessing NonStop server specific extensions to the system calls
  • Accessing Guardian objects from POSIX system calls
  • Differentiating between the different forms of process creation calls
  • Accessing Guardian procedures from within an OSS program

OSS sockets basics

  • What is a socket?
  • Client/server support
  • Protocols and addressing
  • Sockets function library
  • Library headers and data structures
  • OSS and Guardian sockets differences

Encarta Labs Advantage

  • One Stop Corporate Training Solution Providers for over 4,000 Modules on a variety of subjects
  • All courses are delivered by Industry Veterans
  • Get jumpstarted from newbie to production ready in a matter of few days
  • Trained more than 50,000 Corporate executives across the Globe
  • All our trainings are conducted in workshop mode with more focus on hands-on sessions

View our other course offerings by visiting http://encartalabs.com/course-catalogue-all.php

Contact us for delivering this course as a public/open-house workshop/online training for a group of 10+ candidates.