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ITIL4 Foundation
This Hewlett Packard HP-UX Posix Shell Programming training course is designed to give delegates practical experience in developing and writing HP-UX shell scripts. Most of the built-in shell commands are introduced together with the main program control structures. This course is not suitable for C shell programmers.
The delegate will learn and acquire skills as follows:
- Writing simple scripts to enhance basic command output
- Using the various shell quoting mechanisms appropriately
- Manipulating shell variables and user-defined variables in scripts
- Implementing conditional execution facilities
- Using the shell's built-in loop constructs where appropriate
- Writing scripts to trap user interrupts
- User defined Functions
- Developing menu-driven shell scripts
Programmers, administrators and support personnel who need to understand existing shell scripts, automate procedures and write their own utilities.
The course assumes knowledge of the HP-UX Operating System to the level covered in the HP-UX Introduction course. Some programming experience may also prove advantageous.
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To provide the skills needed to develop and customise shell programs.
This HP-UX Shell Programming course, together with the HP-UX Introduction and HP-UX Administration courses, covers some of the topics required for the HP-UX 11i v3 System Administration (HP0-P20) exam.
Before taking any exam, ensure you have the recommended experience. The HP-UX website lists all exam requirements and these are updated regularly.
Exams are not included as part of the course.
The HP-UX Shell Programming course assumes knowledge of the HP-UX Operating System to the level covered in the HP-UX Introduction course. Some programming experience may also prove advantageous.
- HP-UX Introduction
- HP-UX System Administration
- Oracle SQL
- HP-UX Advanced Shell Programming Tools
- Course technical content is subject to change without notice.
- Course content is structured as sessions, this does not strictly map to course timings. Concepts, content and practicals often span sessions.
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ITIL4 Foundation
Course Introduction
- Administration and course materials
- Course structure and agenda
- Delegate and trainer introductions
Session 1: HP-UX COMMAND REVIEW
- Basic Unix commands
- General commands
- File and directory handling commands
- Filename generation and regular expression characters
- I/O Redirection features
- Other commands
Session 2: GETTING STARTED
- What is a shell script?
- Development guidelines
- Creating and editing shell scripts
- Naming and storing shell scripts
- Executing shell scripts
- Exercise: Write a simple shell script
Session 3: USING VARIABLES
- Environment variables
- Local variables
- Assigning values to variables
- Assessing variable values
- Using quotes
- Delimiting variable names
- Echo control sequences
- Exercise: Add variables to a script
Session 4: INTEGER ARITHMETIC
- Using the expr command
- Using the (( )) notation
- Exercise: Add integer arithmetic to a shell script
Session 5: HANDLING RUN TIME DATA
- The read command
- Command line arguments
- Exercise: Writing a generic shell script
- Exercise: Writing an interactive shell script
Session 6: CONDITIONAL EXECUTION
- The if statement
- The test command
- Exercise: Adding validation to previous scripts
Session 7: ADDITIONAL KORN, BASH & POSIX SYNTAX
- Other test notations
- Default and substitute variables
- Exit status codes
- Exercise
Course Contents - DAY 2
Session 8: LOOP CONSTRUCTS
- The while loop
- The until loop
- The for loop
- The while true and until false loops
- Loop control commands
- Exercise: Enhancing the previously written scripts
- Exercise: Writing a script to copy files using a 'for' loop
- Exercise: Writing a script to generate numbers with the 'while' loop
Session 9: MULTI-BRANCH DECISIONS
- The case statement
- Menu driven applications
- Exercise: Developing and writing a menu system
Session 10: FUNCTIONS
- What is a function?
- Syntax
- Examples
- Exercise: Add a function to a script
Session 11: INTERRUPT HANDLING
- Interrupt signals
- Trapping interrupts
- Exercise: Adding traps to the menu script
Session 12: ADDITIONAL FEATURES AND FACILITIES
- The exec commands
- The includes notation
- More about loops
- Arrays
- Here Documents
- Exercise: Create a here script
