Introduction to UNIX

Length: 3 days
CourseID: funds3

Prerequisites:

Basic computer skills

Overview:

This class is intended for the UNIX novice and will teach the basic skills required to comfortably function in a UNIX environment. 90-95% of the course content will apply to any flavor of UNIX.

Objectives:

Learn about the UNIX operating system

Become proficient with VI Editor

Learn basic command syntax

Learn printer set-up and commands

Learn basic shell scripting skills

Learn how to create user access and login

Chapters:

Introduction

Objective	Introduction
Goals of Unix - Level 1	UNIX - What Is It?
UNIX is multi-user	UNIX is portable and scalable
UNIX is multi-tasking	UNIX systems are Open
Other UNIX advantages	Important Concepts Necessary to Understanding
Hierarchical File System	Virtual Memory
UNIX Shells	Multi-user
Multiprocessing	The X-Window System
Acronyms

Getting Started

Objective	Typical Tasks a User Will Perform
Logging In and Getting to Work	The Standard Login Prompt
Logging In - Entering Your Username and Passw	Exercise: Logging in to the classroom comput
Message of The Day	Your Prompt
Where Are You Located?	What’s In Your Directory?
Where did all these files come from?	Moving Around The System
Exercise : Using ”pwd” and ”cd” to move aroun	Who Else Is On The System?
What Is The Computer Doing?	Changing Your Password
Getting Help	Clearing the Display
Showing the Date and Time	Summary
”Getting Started” Exercises

The UNIX Environment

Objective	The UNIX Login Shell
Three Major Functions of the Login Shell	Different Login Shell Types (Bourne, Korn, C)
Choosing Your Login Shell	Changing Your Shell From The Command Line
The Shell as a ”Command Interpreter”	Basic UNIX Command Syntax
Example: Basic UNIX Command Syntax	Command Line Expansion and Filename Metachara
Important metacharacters:	Example: Sample uses of filename metacharacte
Combining UNIX Commands	Character Streams, Standard Input, Output, an
Example: Redirection Examples	Standard Error Symbols
Redirecting the standard error is also best s	Creating Pipelines
Example: Simple pipelines	An example of a more complex pipeline:
Your Terminal	The stty Command
Summary	”Unix Environment” Exercises
Project: Create Your Home Directory Structure

The Korn Shell

Objective	Introduction
Background	Your Prompt
Aliases	Example: Example aliases
ksh Variables	Built-In Shell Variables ( also called ”Pre-D
Other Shell Variables	Your Path
The whence Command	The set command
Your Login Files	/etc/profile
profile	Example: Sample profile file
Command History and Command Line Editing	Working with previously entered commands
Working with previously entered commands usin	Input/Output Redirection With The Korn Shell
Summary	”The Korn Shell” Exercises

The C Shell

Objective	Introduction
Background	Your Login Files
Example: A typical cshrc file:	C Shell Variables
Pre-Defined Shell Variables	Important Pre-Defined Shell Variables
history	ignoreeof
noclobber	path
prompt	term
Environment Variables	DISPLAY
Displaying Variables	Your Search Path
Setting Your Search Path	Hashing and Hash Tables
Aliases	Other alias notes:
Command History and Command Line Editing	Displaying the History List
Enlarging/Reducing the Number of Items Stored	Re-using Existing Commands
Examples	Input/Output Redirection With the C Shell
Summary	”The C Shell” Exercises

File Management

Objective	Rules For Naming Files
Example: Upper- and Lower-Case Characters	Filename Metacharacters
Metacharacter Meaning	Example: Metacharacter Examples
File-Oriented Commands	Displaying Your Location in the UNIX Filesyst
Moving Around The UNIX Filesystem	Exercise: Using ”cd” and ”pwd”
Example: Example of the ”cd” command used wit	Viewing Files
more	Getting Information About Files
Understanding File Information	Example: Determining the File Type
Example: Copying, Moving, and Deleting Files	Copying Files
Examples: Removing Files and Directories	Moving Files and Directories
Information About Directories	df
df -k	Changing File Parameters
chown	chgrp
chmod	Advanced File Commands
grep	wc
Summary	”File Management” Exercises

Printing

Objective	The Printer Subsystem
Printer Queues	Printer Filters
SVR4 Printing Commands	SVR4 Printing Commands
Printing a File (SVR4) - lp	Printing a file to the default printer
Printing a file to a printer named ”laser”	Printing multiple files to a printer named ”s
Viewing The Status of Your Print Request (SVR	Viewing Print Status Information
What does ”scheduler is running” mean?	What does ”enabled” mean?
Viewing lpstat output when there are other us	Cancelling Print Requests (SVR4) - cancel
To cancel job ”laser-102”	Cancelling Multiple Jobs
BSD Printing Commands	BSD Printing Commands
Printing Files (BSD) - lpr	Viewing the Status of Print Requests (BSD) -
Cancelling Print Requests (BSD) - lprm	Summary
Printing Exercises

Processes and Job Control

Objective	What Is A Process?
Process ID’s	Viewing Processes
The ps Command	”ps” Syntax
Basic ps Output	Full ps Output (your processes)
Full ps Output, Every Process	Daemons (or demons)
Other User Processes	Your Processes
Killing Processes	The ”kill” Command
”kill” Syntax	Example: Killing processes
Running Processes In The Background	Example: Running processes in the background
Running one command in the background	Running multiple sequential commands in the b
Summary	Processes and Job Control Exercises

Text Processing

Objective	Text Processing Commands
Text processing commands	The Concept of Regular Expressions
Regular Expressions	Regular Expression Examples
The grep Command	Printing Lines That Match a Simple Text Patte
Printing Lines That Do Not Match the Pattern	Matching Multiple Words/Patterns Separated by
Matching Any of a Set of Characters	Matching a Range of Characters
Matching Multiple Character Range	Matching Characters at The Beginning/Ending o
The ’sort’ Command	The ”tr” Command
The ”head” Command	Specifying the Number of Lines
The ’tail’ Command	Default Usage
Specifying the Number of Lines	The ”vi” Editor
Key Points to Remember about vi	The Three Modes of vi
Opening a File For Editing	Leaving Your vi Session
Entering Text With vi	Deleting Text
Copying Text	Cutting and Pasting
Changing Text	Searching for Text
Moving Through Your Document	Repeating Your Last Action
Undoing Your Last Action	Customizing vi with ”:set” options
Customizing vi with the exrc file	Text Processing Exercises

Working in a Network

Objective	Network-Related Commands
Unix Mail	Sending Mail
Viewing Your Mail	Writing to Another User’s Terminal
The write Command	Holding an Interactive Conversation With Anot
Getting Information About Other Users - finge	Who Is Logged Into the System - who
Logging in to Remote Computer Systems - telne	File Transfer Between Machines - ftp
Summary

Introduction to X-Windows

Objective	Technology and Terminology
The X ”Display”	The X Server
The X Client	Window Managers