• Getting Started
What is UNIX?
A Brief History of UNIX
Linux
Linux Distributions
Logging In
Logging Out
Try a Few More Commands
Changing Your Password
Using On-Line Manuals
• The File System - Files
What is a File?
The ls Command
The cat Command
The more and less Commands
The head and tail Commands
The cp Command
The mv Command
The rm Command
File Names
• The File System - Directories
Hierarchical File System
Pathnames
The pwd Command - Print Working Directory
The cd Command - Change Directory
The mkdir Command - Make Directories
The rmdir Command - Remove Directories
The cp Command (again) - Copy Files
Two Useful Directory Names - . and ..
• Editing With vi
What is vi?
The vi Buffering Process
Command Mode and Insert Mode
Modes Diagram
Getting Started
Moving the Cursor Around
Inserting Text
Deleting a Character or Line
Undo Last Command
Opening a New Line
Save Your Work or Abort the Session
Review of vi Commands
• More Editing with vi
Scrolling the Buffer
Cursor Motion Commands - w,W,b,B,e,E
Cursor Motion Commands - $,^,0,G
Cursor Motion Commands - f,t,F,T
Delete Operator - d
Change Operator - c
Yank Operator - y
Put Commands - p,P
Searching for a Pattern - /,n,N,?
The Join Command
The File Command - :f
Edit File Command - :e
Cut and Paste Between Files
Read File Command - :r
Set Options Command
Set Options Command - .exrc file
• Personal Utilities
The date Utility
The bc Utility
The expr Utility
The cal Utility
The id Utility
The uname Utility
The finger Utility
The script Utility
The clear Utility
Appendix: The at and crontab Utilities
• Text Handling Utilities
The grep Utility
The tr Utility
The cut Utility
The paste Utility
The sort Utility
The wc Utility
The diff Utility
The lpr Utility
• File System Security
File Permissions
The chmod Utility
Directory Permissions
The umask Command
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• File System Management Utilities
The find Utility
The df Utility
The du Utility
Compressing Files
The ln Utility
The ulimit Utility
The tar Utility
• Communication Utilities
The write and talk Utilities
The mesg Utility
Mail Overview
The mail Utility
elm - Electronic Mail
Sending Mail with elm
Reading Mail with elm
Customizing elm
elmrc
• Using the Shell
What is a Shell?
The Command Line
Standard Input, Standard Output and Error
Using Default Standard In and Output
I/O Redirection
I/O Redirection - Examples
I/O Redirection - Warning
Appending Output of a File
Pipes
The tee Utility
• Filename Generation
Filename Generation
The ? Special Character
The * Special Character
The [] Special Characters
The ! Special Character
• Processes
What is a Process?
Process Structure
The ps Utility
Options to the ps Utility
Background Commands (&)
Killing Background Processes
Redirecting the Standard Error
• Shell Programming Concepts
What is a Shell?
Which Shell?
What is a Shell Script?
Why Use Shell Scripts?
• Flow Control
The Exit Status of Commands
Command Line Examples
The test Command
The if-then-else Construct
The elif Construct
A Loop Example
• Variables
User Created Variables
The read Command
The Shell Environment
The export Command
Subshells
Command Substitution
Quoting Mechanisms
Assigning Variables - Summary
Special Variables
• Command-Line Arguments
$# - Number of Arguments
The shift Command
$* - All Arguments
$$ - PID of Shell
• More Flow Control
The for Loop
The while Loop
Examples
The case Construct
• Appendix: Bash Shell Features
Viewing Your Command History
Editing and Re-executing Commands
Aliases
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