Jan
12
LinuxCBT KornShell Edition
http://www.linuxcbt.com/products_linuxcbt_kornshell_edition.php
LinuxCBT feat. KornShell Edition focuses on the common Linux | Unix shell environment: Korn. It extends LinuxCBT Scripting Edition to 77 hours of content.
Kornshell derives largely from Bourne and C shells, incorporating many features from both. Kornshell also largely influenced the default Linux shell: BASH. Being familiar with Kornshell and BASH allows you to transport your skills across Linux and Unix systems with relative ease.
Let LinuxCBT feat. KornShell Edition cost-effectively teach you Linux | Unix shell skills.
LinuxCBT feat. KornSHell Edition – Module 7
• Introduction – Features
*Discuss KornShell history
*Explore system configuration
*Identify key systems to be used
*Discuss key features
•
• Shell Basics
*Create KornShell users on various systems
*Identify key KornShell binaries and configuration files
*Explore key KornShell variables
*Discuss shell redirection and piping
•
• Command Chaining | Substitution
*Discuss features and applications
*Explain general usage of ‘test’ command
*Evaluate sequential execution of processes
*Invoke commands contingently using logical AND and OR
*Implement command substitution
*Evaluate defined variables using command substitution
•
• Variables
*Discuss features and applications
*Discuss and reference positional parameters
*Explore standard command exit status variable
*Learn how to define variables
*Define persistent variables
*Unset variables and evaluate
•
• The Prompt – $PS{1..4}
*Discuss various prompt shell variables
*Setup vi-style command history access
*Customize primary prompt with useful KornShell variables
*Define a persistent prompt
*Evaluate results
•
• Functions
*Discuss features and benefits
*Explore POSIX and KornShell functions
*Define useful functions in a script
*Reference functions from a script
*Discuss how positional parameters are supported with funcitons
*Evaluate results
•
• Loops
*Discuss features and benefits
*Identify the supported iteration mechanisms
*Implement for | while | until loops
*Create finite and infinite loops
*Evaluate results
•
• Conditions
*Discuss features and applications
*Explore comparison testing
*Perform numeric comparisons
*Perform string comparisons
*Branch out using if | elif | else
*Evaluate results
•
• Error Handling
*Discuss features and applications
*Create script which requires a positional parameter
*Error handle as necessary
*Confirm the existence of the file referenced by the positional parameter
*Compartmentalize error handling into a function
*Evaluate results
•
• Backup Script
*Discuss features and benefits
*Write a script to backup various files and directories
*Ensure that script is executed with appropriate number of positional parameters
*Auto-create backup file name using a unique date identifier
*Tar and compress (using gzip) backup items
*Incorporate error handling
*Evaluate results
•
• Arrays
*Discuss features and applications
*Explain supported arrays
*Define indexed array with various items
*Reference individual and total array elements
*Evaluate results
*Build indexed array using command substitution
*Loop through array elements
*Define associative array with various items
*Expose total array elements
•
• Regular Expressions
*Discuss features and applications
*Highlight key metacharacters
*Use character-classes
*Implement RegExes with shell commands: ls|grep|awk|sed
*Evaluate results
•
• Kornshell on Solaris
*Compare & contrast Linux and Solaris Korn implementation
*Create Kornshell user on Solaris
*Identify key files
*Explore Solaris Kornshell as the user
*Customize Solaris Kornshell environment
*Run scripts created on Linux
*Evaluate results
•
• Case
*Discuss features and benefits
*Explain usage
*Create cases based on simple RegExes
*Write script to identify file types using case
*Explore case usage in system scripts
*Evaluate results
•
• Job Control
*Discuss features and benefits
*Background and foreground jobs
*Interact with running jobs
*Isolate jobs from TTY
*Evaluate results
•
• Typeset
*Discuss features and benefits
*Define variables of disparate types
*Justfiy variables
*Transform positional parameters and variables
*Enumerate system variables
*Scope variables in and out of functions
*Evaluate results
•
• Input Validation
*Discuss features and benefits
*Ensure the requisite number of positional parameters
*Confirm input prior to execution
*Evaluate results
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