Course Introduction

• Administration and Course Materials
• Course Structure and Agenda
• Delegate and Trainer Introductions

Session 1: UNIX COMMAND REVIEW

• Basic UNIX commands
• Filename generation characters
• Redirection and pipes

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:   Create and run a simple shellscript

Session 3: USING VARIABLES

• Environment variables
• Local variables
• Assigning values to variables
• Accessing variable values
• Using quotes
• Delimiting variable names
• echo control sequences
• Exercises:   Use variables in shellscripts

Session 4: INTEGER ARITHMETIC

• Using the expr command
• Using the (( )) notation
• Exercises:   Use integer arithmetic in shellscripts

Session 5: HANDLING RUN TIME INPUT

• The read command
• Command line arguments and related variables
• Exercise:   Writing an interactive shell script

Session 6: CONDITION TESTING

• The if-then-elif-else statement
• String tests
• Integer tests
• Filename tests
• Other test notations
• Default and substitute variables
• Exit status codes
• Counting characters
• Testing for numeric input
• Exerise:   Add validation to previous scripts

Session 7: LOOP CONSTRUCTS

• The while loop
• The until loop
• The while true and until false loops
• The for loop
• Loop control commands
• Exercises:   Enhance the previously written scripts with loop constructs

Session 8: MULTI-BRANCH DECISIONS

• The case statement
• Patterns and actions
• Menu driven applications
• Exercise:   Develop and write a menu system

Session 9: FUNCTIONS

• What is a function?
• Function syntax
• Exercises:   Create and use functions

Session 10: INTERRUPT HANDLING

• Interrupt signals
• The trap command
• Abnormal termination of scripts
• Exercise:   Adding traps to the menu script

Session 11: ADDITIONAL FEATURES

• The exec command
• The includes notation
• Arrays
• Here Documents
• Exercise:   Enhance scripts

Session 12: REVIEW OF SHELL FUNDAMENTALS

• Review of UNIX Commands

Session 13: USING UNIX SHELLS

• Command line history and editing
• The Korn and POSIX shells
• The Bash shell
• Command aliasing
• The shell startup file
• Shell environment variables

Session 14: REDIRECTION, PIPES AND FILTERS

• Standard I/O and redirection
• Pipes
• Command separation
• Conditional execution
• Grouping commands
• UNIX filters
• The tee command

Session 15: BACKUP AND RESTORE UTILITIES

• Archive devices
• The cpio command
• The tar command
• The dd command
• Exercise:   Backing up and restoring files using tar
• Exercise:   Backing up and restoring files using cpio

Session 16: BACKGROUND JOB SCHEDULING

• Starting background jobs
• Background tasks and the nohup command
• Process priorities and the nice command
• Job control
• Scheduling jobs with the at command
• Scheduling jobs with the cron command
• Exercise:   Running and background jobs

Session 17: REGULAR EXPRESSION NOTATION

• Regular expressions
• Extended regular expressions

Session 18: SEARCHING FILES FOR PATTERNS

• The grep family of commands
• The grep command
• The fgrep command
• The egrep command
• Exercises:   Search for patterns with grep and egrep

Session 19: THE STREAM EDITOR - SED

• Introduction and command line syntax
• The sed program structure
• sed program processing
• Use sed commands
• sed addresses
• sed instructions
• Hold and get functions
• Advanced flow control
• Exercises:   Simple text processing with sed
• Exercises:   Create sed scripts to edit files

Session 20: COMMANDS FOR COMPARING FILES

• Compare two files with the cmp command
• Compare two files with the comm command
• Compare two files with the diff and sdiff commands
• Compare large files with the bdiff command
• Exercise:   Identifying file differences

Session 21: FILE MANIPULATION COMMANDS

• The head and tail commands
• The cut command
• The paste command
• The pr command
• The split and csplit commands
• Exercises:   Manipulate text with cut and paste
• Exercises:   Manipulate text with head and tail

Session 22: IDENTIFY AND TRANSLATE CHARACTERS

• od - octal dump
• Use cat to display non-printing characters
• The expand and unexpand commands
• The tr command
• Exercises:   Translating text files with tr
• Exercises:   Display non-printing characters

Session 23: SORTING FILES

• The sort command
• Specify sort keys with -k
• Sort by column positions
• The uniq command
• Exercises:   Sorting text files

Session 24: INTRODUCTION TO THE PATTERN SCANNING UTILITY - AWK

• Introduction and command line syntax
• The awk program structure
• Use regular expressions
• Operators
• Simple patterns
• Extended patterns
• Comments
• Special patterns (BEGIN and END)
• Program variables
  • Built-in variables
  • User defined variables
• Mathematical operators
• Enhanced printing
• Handling user variables
• Exercises:   Create simple awk scripts
• Exercises:   Create a simple awk script using variables

Session 25: AWK PROGRAM CONTROL STRUCTURES

• Program control structures
• The if construct
• The while and do ... while constructs
• The basic for construct
• Associative array handling
• Functions
  • Built in functions
  • The system function
  • The getline function
  • User defined functions
• Exercises:   Create an awk script using an associative array
• Exercises:   Create an awk script using a for loop and if statement
• Exercises:   Create an awk script using functions