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Syllabus

Focus: Korn Shell Scripting

Duration: 10-Hours

  • LinuxCBT feat. KornSHell Edition - Module VII

    • Introduction - Features
      • Discuss KornShell history
      • Explore system configuration
      • Identify key systems to be used
      • Discuss key features
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    • Shell Basics
      • Create KornShell users on various systems
      • Identify key KornShell binaries and configuration files
      • Explore key KornShell variables
      • Discuss shell redirection and piping
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    • 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
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    • 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
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    • 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
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    • 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
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    • Loops
      • Discuss features and benefits
      • Identify the supported iteration mechanisms
      • Implement for | while | until loops
      • Create finite and infinite loops
      • Evaluate results
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    • Conditions
      • Discuss features and applications
      • Explore comparison testing
      • Perform numeric comparisons
      • Perform string comparisons
      • Branch out using if | elif | else
      • Evaluate results
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    • 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
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    • 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
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    • 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
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    • Regular Expressions
      • Discuss features and applications
      • Highlight key metacharacters
      • Use character-classes
      • Implement RegExes with shell commands: ls|grep|awk|sed
      • Evaluate results
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    • 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
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    • 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
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    • Job Control
      • Discuss features and benefits
      • Background and foreground jobs
      • Interact with running jobs
      • Isolate jobs from TTY
      • Evaluate results
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    • 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
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    • Input Validation
      • Discuss features and benefits
      • Ensure the requisite number of positional parameters
      • Confirm input prior to execution
      • Evaluate results
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LinuxCBT KornShell Edition

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DEMO