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• Perform string manipulation and integer arithmetic on shell variables Unix POSIX Shell Programming - SVR4 Course Name: Unix POSIX (Korn) Shell Programming - SVR4 Length: 4 days Prerequisite: Unix fundamentals course Recommendation Statement: You must be familiar with basic UNIX commands, and the VI editor. A Unix fundamentals course is recommended. It is recommended that the student is proficient in fundamental UNIX commands including, but not & 8230; Differences between Windows (DOS) files and Unix files. Describe mount points – mounting & 8230; Introduction to the POSIX shell. Shells: Bourne, Korn, C, bash & 8230;

A classic POSIX Shell Scripting course that teaches the student to create, interpret and debug POSIX (KORN) Shell scripts. You will learn how to assign environment variables, use shell special variables, arrays, argument lists, test conditions, utilize positional parameters and command substitution. You& 8217;ll learn how to use the POSIX shell builtins and conditionals to control your script creating loops, interactive programs, and functions. In addition to shell scripting, you will learn how to enhance your scripts by learning the intricacies of grep, sed, and awk utilizing metacharacters and regular expressions - beyond anything you& 8217;ve learned in a Unix fundamentals course. In this course you& 8217;ll learn by doing, creating real world scripts that are relevant to current administrative tasks. Upon completion of this course the student will be able to: • Read, write, and debug scripts • Use local and environmental variables and shell metacharacters in scripts • Use regular expression characters with the grep, sed, and awk utilities • Write sed scripts to perform non-interactive editing tasks • Write awk scripts to manipulate individual fields within a record and to write reports based upon an input file • Use the exit status of a command to determine if the command succeeded or failed • Access and process command-line arguments passed into a script • Develop messages to display when a script is used incorrectly • Use flow control constructs, such as branching and looping • Perform string manipulation and integer arithmetic on shell variables& 8230; Unix POSIX (Korn) Shell Programming - SVR4 Course Outline UNIX Shells and Shell Scripts Describe the role of shells in the UNIX environment Describe the standard shells Define the components of a shell script Write a simple shell script Introduction to the POSIX shell Shells: Bourne, Korn, C, bash Korn Shell Environment Startup Scripts (.profile, .kshrc) Using ENV for automatic environment tailoring Writing and Debugging Scripts Creating a shell script! Put comments in a script Change permissions on a script Execute a script Debug a script

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