Linux Training : Advanced Linux Shell Scripting

This course presents to the Linux / Unix computer professional (user, systems administrator, application/system programmer) the techniques needed to develop advanced shell and reporting type procedures. The techniques shown are applicable to all Linux system variants.

Linux Training Prerequisites

This is an advanced Linux / Unix course. It is assumed that participants either have attended a Linux or Unix Essentials course, or have equivalent command line experience with the bash and/or Korn shells.

Linux Training Course duration

This course normally requires three (3) days, approximately 50 % lecture, and 50 % lab time.

Linux Training Course Objectives

Each participant will be able to use bash shell, Korn shell , and awk capabilities to maintain collections of files,manipulate data, implement process communication, synchronization, and data sharing. Brief comparisons in techniques and performance considerations with Perl will also be shown.

Linux Training Course outline

Review of Shell Scripting Features

Importance of signatures
Methods of script execution
Debugging shell scripts
Variable types
Looping statement constructs
Decision statements

Advanced Techniques in Shell Scripts

Alternative script execution methods
Defining a trap step debugger
Here Document data
Defining and using functions
Using string pattern expressions
Indexed array creation and access
Option processing with getopts

Advanced Techniques in Korn Shell Scripts

Advanced Techniques in Korn Shell Scripts
Availability of variable data
Defining and using nameref variables
Active variables (and tied functions)
Features of Associative arrays
Direct control of file I/O (exec, read, print)
- User-defined file descriptors
Interprocess communication/synchronization
- Co-processes
- Reassignment of file descriptor paths
TCP and UDP port access
- Attaching to network listener processes

Awk Scripting Features

Importance of signatures
Methods of script execution
Patterns and actions
Output formatting
Defining and using associative arrays
the getline( ) function
awk supplied function features
- string handling
- information
- callouts for system features
- arithmetic operations
Defining and using functions
- Passing arguments to functions

Introduction to Perl Scripting

History, versions, ports
Perl capabilities
Comparison with shell scripts

Please contact your training representative for more details on having this course delivered onsite or online

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