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UNIX Fundamentals
UNIX Fundamentals Course Overview
This Unix Operating System and Shell Programming training course introduces the delegate to the main concepts of the UNIX Operating System. The most commonly used unix commands are described in detail as are the command line wildcard and redirection facilities. The mechanisms by which a user acquires a login environment are discussed and the main features of the Korn/Posix/Bash Shells are introduced. It is designed to give delegates practical experience in developing and writing shellscripts. Most of the built-in unix shell commands are introduced together with the main program control structures.
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Who will the Course Benefit?
For the UNIX Fundamentals course, there are no formal pre-requisites, although an understanding of and exposure to information technology is advantageous.
Programmers, administrators and support personnel who need to understand the UNIX Operating system, existing shellscripts, automate procedures and write their own utilities.
Some programming experience may also prove advantageous.
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Course Objectives
To provide the skills needed to work productively in a UNIX environment to develop and customise shell programs.
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This is a UNIX Fundamentals course by Uplatz.
UNIX Fundamentals
UNIX Fundamentals Training Course
Course Introduction
- Administration and Course Materials
- Course Structure and Agenda
- Delegate and Trainer Introductions
Session 1: INTRODUCTION TO THE UNIX OPERATING SYSTEM
- A brief history of UNIX
- The UNIX kernel
- The UNIX file system
- A login session
- Getting started navigating the file system
- The file system structure
- Directories and files
- Pathnames
- Navigating the file system
- Exercise: Logging on to the system
- Exercise: Navigating the file system
Session 2: BASIC COMMANDS
- Command line syntax
- Basic file handling commands
- Basic Directory handling commands
- Filename wildcard characters
- Exercise: Manipulating files and directories
Session 3: REDIRECTION AND PIPES
- Input redirection
- Output redirection
- Pipes
- Exercise: Using redirection and pipe facilities
UNIX Fundamentals Training Course
Session 4: INTRODUCTION TO THE vi EDITOR
- Overview of the vi editor
- Basic functions
- Switching to input mode
- Other useful commands
- Exercises: Using the vi editor
- Exercise: Using more advanced vi features
Session 5: SEARCHING AND REPLACING TEXT
- Searching and replacing text using the vi editor
- Using regular expressions (regex)
- Using sed for search and replace
- Searching for text with grep, egrep and fgrep
- Exercises: Searching and Replacing Text
Session 6: RECALLING AND EDITING COMMANDS
- Overview
- The bash shell
- The korn shell
- Exercises: Recall and Edit Commands
Session 7: FILE PERMISSIONS AND ACCESS CONTROL
- Users and user groups
- File access permissions
- Changing file attributes
- Switching users and user groups
- Linking files
- Exercise: Setting and access permissions
UNIX Fundamentals Training Course
Session 8: FILTERING TEXT
- Overview
- The cut command
- An introduction to awk
- The nl command
- Exercises: Filtering Text
Session 9: PROCESSES
- What is a process?
- Monitoring processes
- Killing processes
- Background processes
- Job Control
- Grouping commands
- Exercise: Monitoring and controlling processes
Session 10: THE USER ENVIRONMENT
- Customising the .profile or .bash_profile
- Customising the .kshrc or .bashrc
- Exercise: Setting up an environment
Session 11: MORE BASIC COMMANDS
- The find command
- Using xargs command
- The locate command
- The df command
- The cut command
- The sort command
- Finding duplicate content
- The finger and pinky commands
- Exercise: More Basic Commands
UNIX Fundamentals Training Course
Session 12: UNIX 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 13: 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 14: 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 15: INTEGER ARITHMETIC
- Using the expr command
- Using the (( )) notation
- Exercise: Add integer arithmetic to a shell script
Session 16: HANDLING RUN TIME DATA
- The read command
- Command line arguments
- Exercise: Writing a generic shell script
- Exercise: Writing an interactive shell script
Session 17: CONDITIONAL EXECUTION
- The if statement
- The test command
- Exercise: Adding validation to previous scripts
Session 18: ADDITIONAL KORN, BASH & POSIX SYNTAX
- Other test notations
- Default and substitute variables
- Exit status codes
- Exercise
UNIX Fundamentals Training Course
Session 19: 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 20: MULTI-BRANCH DECISIONS
- The case statement
- Menu driven applications
- Exercise: Developing and writing a menu system
Session 21: FUNCTIONS
- What is a function?
- Syntax
- Examples
- Exercise: Add a function to a script
Session 22: INTERRUPT HANDLING
- Interrupt signals
- Trapping interrupts
- Exercise: Adding traps to the menu script
Session 23: ADDITIONAL FEATURES AND FACILITIES
- The exec commands
- The includes notation
- More about loops
- Arrays
- Here Documents
- Exercise: Create a here script
