Worldwide [select]
Korn Shell Programming Training Course
Overview
UNIX is a true multitasking operating system. Its portability, reliability and efficiency has helped it and various flavours of it, become widely used for a range of applications.
This course is designed for those wishing to learn Korn Shell programming. The practical exercises constitute about 50% of the course time. The course is suitable for any variant of Unix and the Linux platform is used for course delivery.
Who Should Attend: Programmers, system administrators and technical support staff who need to become proficient at scripting in the Unix environment.
Requirements
A basic knowledge of programming in any high level language is required.
Duration
21.00 hours
Course Prices
Prices for Instructor-led Online Courses:
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Course Outline
Introduction
- UNIX Shells
- Comparing Shells
Scripting
- Shell script basics
- Comments
- Printing output
- Quoting
- Creating shell variables
- Predefined shell variables
- Environment variables
- Dot scripts
- Aliases
- Positional parameters
- Command substitution
Conditional statements
- If statement
- Extended if syntax
- Comparison operators
Looping statements
- While statement
- Until statement
- Iterating for loop
- Break and continue
Mathematics
- Let statement
- Arithmetic command
- Arithmetic value command
- Counting for loop
- C Mathematics
Variables
- String length
- Substrings
- Deleting leading and training strings
- Providing default values
Shell IO
- File descriptors
- Redirecting input and output
- Inline documents
- Opening file descriptors
- Reading and writing file descriptors
- Closing and moving file descriptors
Functions
- Function definitions
- POSIX functions
- Positional parameters
- Returning a value
- Local and reference variables
Signal Handling
- UNIX Signals
- Sending signals
- The trap statement
User Input
- Using getopts
- The select statement
Applications
- Hiding parameters
- Database Queries
