Open System Services (OSS) Basic Commands and Utilities

Open System Services (OSS) is an open computing interface to the HPE NonStop Kernel operating system and is based on POSIX standards. This course is intended for OSS application developers who will be creating or porting applications to the OSS environment on a NonStop server. New OSS users are introduced to OSS basic commands, editors, and utilities in the NonStop Kernel OSS environment. This course is 60 percent lecture and 40 percent hands-on labs using HPE servers.

After you successfully complete this course, expect to be able to:

• Navigate the OSS directory structure
• Display the contents of a file and a directory
• Create aliases
• Set and change file and directory permissions
• Change user and group IDs
• Set the sticky bit
• Perform specific vi commands
• Configure a user profile
• Manipulate environment variables and background jobs
• Stop an OSS process
• Time start an application

• Application developers
• System analysts
• Support personnel

• Six months computer systems experience

Introduction to OSS

• UNIX® operating systems
• Linux operating systems
• Characteristics of open systems
• Common shells
• OSS standards and components
• Accessing the shell
• How to display system information
• Online documentation
• Lab exercise: introduction to OS

Basic Shell Commands

• OSS shell and utilities overview
• Entering commands and syntax
• OSS shell features
• Displaying user information
• OSS file system and hierarchy
• File system terminology
• Common directories
• OSS pathnames and file types
• Creating an alias 
• Lab exercise: basic shell commands

Securing Files

• OSS security
• Permission modes and defaults
• Setting and changing permissions
• File–creation mask
• File and directory access
• Set–user and set–group IDs
• Restricting file removal
• Lab exercise: permissions 

Using the vi Screen Editor

• OSS terminal requirements
• vi terminal settings
• vi modes and options
• Using the vi editor
• vi editor commands
• vi session options
• Lab exercise: using the vi screen editor 

Configuring the User Environment

• Configuring a profile
• Shell environment variables
• Setting the PATH environment variable
• Setting terminal attributes
• Configuring the message of the day
• Command-line recall and editing
• Set shell options
• Default input and output files
• Redirection
• Pipes and processes
• Spooling and printing
• Search order
• Lab exercise: configuring the user environment 

Additional Commands and Utilities

• Finding data in a file
• grep and awk commands
• Customizing outputs
• Counting lines, characters, and spaces
• Sorting, finding, and linking files
• Additional utilities
• Process options
• Running background processes
• Manipulating background jobs
• Stopping processes
• Time starting an application
• Lab exercise: advanced commands and utilities 

File-Sharing Groups

• User and Group Ids
• newgrp command
• Defining groups
• Adding group members
• Setting primary-group
• Lab exercise: File-sharing groups