Levana Technologies

Course Duration: 2 Full Days

Course Outline:

• Introduction to Shell and Bash Basics
• Variables - Creating new variable, manipulating, exporting, substituting
• Basic Script Elements - Input, Output
• Flow Control Constructs

             - if, for, while, until, case, break, continue

• Advanced Scripting Techniques

             - Shell Functions
             - Reading Options with getopts
             - Signal Handling with trap
             - Handling and sending signals: trap and kill
             - Implementing Simple Menus with select
             - Dialog Boxes

• Special Variable Substitution Operators for Bash
• Regular Expressions,
• Useful Commands for Shell Scripts

             - cat, cut, date, echo, grep, egrep, test, tr

• Using sed & awk (nawk/gawk)
• Debugging Shell Scripts, Sample Scripts
• Creating "Production Quality" Scripts
• Customize system-wide shell initialization files