Overview :

Shell scripting is language freely available for programming on UNIX based systems. As most of the system tasks are automated using shell scripting. its became one of the languages preferred for software Testing in Telecom and Banking. Generally used for running batch jobs, checking system health etc. For any system and database administrator, knowledge of shell scripting is a added advantage.

Objectives :

The course begins by describing simple scripts to automate frequently executed commands and continues by describing conditional logic, user interaction, loops, menus, traps, and functions. This course is intended for system administrators who have mastered the basics of a UNIX Operating Environment (OE) such as the Solaris OE or Linux and who would like to read and understand the various boot scripts and write their own scripts to automate their day-to-day tasks. This course explores, in detail, the Bourne and Korn shell scriptinShell Scripting training is specifically designed to develop skills required for automation on Unix / Linux Environment. This course focuses on the basic and intermediate level of Scripting. It provides training with hands on session to administer the linux shell.

Who should attend ?

This course is intended for software developers,system administrators, system programmers, UNIX operators, database administrators,Web administrators and others who want to acquire basic shell scripting skills.

Prerequisite:

• Good understanding of the main commands and user application in Linux & Linux System Administration
• Basic Knowledge in Shell Commands

Skills taught:

On completion of this course, you should be able to:

• Use regular expressions with the grep, sed, and nawk
• Manipulate text files with grep, sed, and nawk? Write reporting scriptsr
• Write reporting scripts
• Maintain existing scripts
• Use flow control constructs, such as branching and looping
• Customize system-wide shell initialization files
• Develop and debug scripts
• Use local and environmental variables and shell metacharacters in scripts
• Use the exit status of a command to determine if the command
• Succeeded or failed
• Write a script that uses functions
• Write a script that uses a trap to catch a signal
• Access and process command-line arguments passed into a script
• Write sed scripts to perform noninteractive editing tasks
• Write nawk scripts to manipulate individual fields within a record
• Write nawk scripts to write reports based upon an input file
• Perform string manipulation and integer arithmetic on shell variable
• Develop a USAGE message to display when a script in invoked incorrectl