Intermediate Linux

Review of the File System

• File system organization
• File types
• File and directory naming rules and conventions
• Commands for navigating the file system
• Introduction to Inodes
• Ownership, permissions, and dates
• Manipulating files and links
• Manipulating directories
• Determining disk usage
• Other file system utilities

Introduction to Shells: sh, bash, and ksh

• Shell functions
• I/O Redirection and pipes
• Command separation and grouping
• Background execution
• Filename expansion
• Shell variables
• Command substitution
• Quoting and escaping metacharacters
• Bash shell features
• Korn shell features
• Command execution
• Startup files
• Customizing the user environment

Shell Programming

• Shell script features and capabilities
  
  • Creating and running a script
  • Working with variables
• Environment variables
• Working with data types
  
  • Formatting
  • Base conversion
  • Setting special attributes
• Input/Output techniques
• Conditional constructs
  
  • if/then
  • else/elif
• Looping constructs
  
  • for, while, until
• Math operators

Advanced Shell Features

• Manipulating strings
• Writing and calling functions
• Controlling process priorities
• Interpreting command line arguments
• Making scripts interactive
• Special shell variables
• Advanced I/O with streams
• Improving performance of scripts

Text Manipulation Utilities

• Editing a file from a script
• Scripting with ed or sed
• UNIX and Linux utilities to manipulate files
• Regular expressions
• grep and egrep
• The stream editor sed
• Sorting in scripts
• Generating reports with awk
• Splitting large files
• Counting words, lines, and characters
• Transforming file contents

File Processing Utilities

• Examining and comparing files
• Reporting differences between files
• Comparing files of any format
• Displaying data in octal and hex
• Compressing data
• Converting file formats
• Extracting text strings

Multitasking and Batch Processing

• Multitasking
• Scheduled sxecution using cron
• The at and batch commands

Regular Expressions

• Regular expression overview
• Regular expression implementations
• Regular expressions
• RE character classes
• Regex quantifiers
• RE parenthesis

Join an engaging hands-on learning environment, where you’ll learn:

• Review of the file system
• Introduction to shells: sh, Bash, and ksh
• Shell programming
• Advanced shell features
• Text manipulation utilities
• File processing utilities
• Multitasking and batch processing
• Regular expressions

This course has a 50% hands-on labs to 50% lecture ratio with engaging instruction, demos, group discussions, labs, and project work.

Before attending this course, you should have experience with common UNIX/Linux user-level commands, such as moving, copying, and editing files. Experience with the vi editor is a plus.

This is an intermediate-level course for professionals with basic Linux experience.