Unix and Linux: Visual QuickStart Guide, Fourth Edition

Table of contents

1. Copyright
   1. Dedication
2. Acknowledgments
3. Introduction
   1. How Do You Use This Book?
      1. Bonus Chapter Online
      2. Who Are You?
      3. What Do You Need Computer-Wise?
      4. What Do You Need to Know to Get Started?
      5. Anything Else You Should Know?
4. 1. Getting Started with Unix
   1. Accessing a Unix System
      1. Different types of Unix access
      2. Accessing a shell account
      3. Accessing your company’s system
      4. Installing Unix on an old or spare computer
      5. Installing Unix and Windows side by side
      6. Different Unix flavors
   2. Connecting to the Unix System
   3. Logging In
   4. Changing Your Password with passwd
   5. Listing Directories and Files with ls
   6. Changing Directories with cd
   7. Finding Yourself with pwd
   8. Piping Input and Output
   9. Redirecting Output
   10. Using Wildcards
   11. Viewing File Contents with more
   12. Displaying File Contents with cat
   13. Exploring the System
   14. Getting Help with man
   15. Logging Out
5. 2. Using Directories and Files
   1. Creating Directories with mkdir
   2. Creating Files with touch
   3. Copying Directories and Files with cp
   4. Listing Directories and Files with ls (More Goodies)
   5. Moving Files with mv
   6. Removing Files with rm
   7. Removing Directories with rmdir
   8. Finding Forgotten Files with find
   9. Locating Lost Files with locate
   10. Linking with ln (Hard Links)
   11. Linking with ln -s (Soft Links)
6. 3. Working with Your Shell
   1. Discovering Which Shell You’re Using
   2. Understanding Shells and Options
   3. Changing Your Shell with chsh
   4. Changing Your Shell Temporarily
   5. Using Completion in the bash Shell
   6. Viewing Session History in the bash Shell
   7. Using Completion in the zsh Shell
   8. Viewing Session History in the zsh Shell
   9. Changing Your Identity with su
   10. Fixing Terminal Settings with stty
   11. Exiting the Shell
7. 4. Creating and Editing Files
   1. Choosing an Editor
      1. About pico
      2. About vi
      3. About emacs
   2. Starting pico and Dabbling with It
   3. Saving in pico
   4. Cutting and Pasting Text Blocks in pico
   5. Checking Spelling in pico
   6. Getting Help in pico
   7. Exiting pico
   8. Starting vi and Dabbling with It
   9. Saving in vi
   10. Adding and Deleting Text in vi
   11. Importing Files into vi
   12. Searching and Replacing in vi
   13. Exiting vi
   14. Starting emacs and Dabbling with It
   15. Using emacs Menus to Spell-Check
   16. Saving in emacs
   17. Exiting emacs
8. 5. Controlling Ownership and Permissions
   1. Understanding File Ownership and Permissions
   2. Finding Out Who Owns What
   3. Finding Out Which Group You’re In
   4. Changing the Group Association of Files and Directories with chgrp
   5. Changing Ownership of Files and Directories with chown
   6. Changing Permissions with chmod
   7. Translating Mnemonic Permissions to Numeric Permissions
   8. Changing Permission Defaults with umask
9. 6. Manipulating Files
   1. Counting Files and Their Contents with wc
   2. Viewing File Beginnings with head
   3. Viewing File Endings with tail
   4. Finding Text with grep
   5. Using Regular Expressions with grep
   6. Using Other Examples of Regular Expressions
   7. Making Global Changes with sed
   8. Changing Files with awk
   9. Comparing Files with cmp
   10. Finding Differences in Files with diff
   11. Finding Differences in Files with sdiff
   12. Sorting Files with sort
   13. Eliminating Duplicates with uniq
   14. Redirecting to Multiple Locations with tee
   15. Changing with tr
   16. Formatting with fmt
   17. Splitting Files with split
10. 7. Getting Information About the System
    1. Getting System Information with uname
    2. Viewing File Systems with df
    3. Determining Disk Usage with du
    4. Finding Out File Types with file
    5. Finding Out About Users with finger
    6. Learning Who Else Is Logged in with who
    7. Learning Who Else Is Logged in with w
    8. Getting Information About Your Userid with id
11. 8. Configuring Your Unix Environment
    1. Understanding Your Unix Environment
    2. Discovering Your Current Environment
    3. Adding or Changing Variables
    4. Looking at Your zsh Configuration Files
    5. Adding to Your zsh Path
    6. Changing Your zsh Prompt
    7. Looking at Your bash Configuration Files
    8. Adding to Your bash Path
    9. Changing Your bash Prompt
    10. Setting Aliases with alias
12. 9. Running Scripts and Programs
    1. Running a Command
    2. Scheduling Onetime Jobs with at
    3. Scheduling Regularly Occurring Jobs with cron
    4. Suspending Jobs
    5. Checking Job Status with jobs
    6. Running Jobs in the Background with bg
    7. Running Jobs in the Foreground with fg
    8. Controlling Job Priority with nice
    9. Timing Jobs with time
    10. Finding Out What Processes Are Running with ps
    11. Deleting Processes with kill
13. 10. Writing Basic Scripts
    1. Creating a Shell Script
    2. Running a Shell Script
    3. Making a Script Executable
    4. Getting a Head Start on Scripts with history
    5. Embedding Commands
    6. Looping Your Scripts
    7. Creating If-Then Statements
    8. Accepting Command-Line Arguments in Your Scripts
    9. Accepting Input While a Script Is Running
    10. Debugging Scripts
14. 11. Sending and Reading E-mail
    1. Choosing an E-mail Program and Getting Started
    2. Reading E-mail with pine
    3. Sending E-mail with pine
    4. Customizing pine
    5. Reading E-mail with mutt
    6. Sending E-mail with mutt
    7. Reading E-mail with mail
    8. Sending E-mail with mail
    9. Creating a Signature File
    10. Automatically Forwarding Incoming Messages
    11. Announcing an Absence with vacation
    12. Configuring procmail
    13. Managing E-mail with procmail
15. 12. Accessing the Internet
    1. Getting Familiar with Unix Internet Lingo
    2. Logging in to Remote Systems with ssh
    3. Logging in to Remote Systems with telnet
    4. Communicating with Others Using write
    5. Communicating with Others Using talk
    6. Getting Files from the Internet with ftp
    7. Sharing Files on the Internet with ftp
    8. Surfing the Web with links
    9. Surfing the Web with lynx
    10. Downloading Web Sites with wget
    11. Checking Connections with ping
    12. Tracing Connections with traceroute
    13. Matching Domain Names with IP Addresses
16. 13. Working with Encoded and Compressed Files
    1. Encoding Files with uuencode
    2. Decoding Files with uudecode
    3. Archiving with tar
    4. Unarchiving Files with tar
    5. Compressing Files with compress
    6. Uncompressing Files with uncompress
    7. Zipping a File or Directory with gzip
    8. Unzipping a gzip File with gunzip
    9. Zipping Files and Directories with zip
    10. Unzipping Zipped Files with unzip
    11. Combining Commands
17. 14. Using Handy Utilities
    1. Calendaring with cal
    2. Calculating with bc
    3. Evaluating Expressions with expr
    4. Converting with units
    5. Looking It Up with look
    6. Keeping a Record of Your Session with script
18. 15. Being Root
    1. Acting Like root with sudo
    2. Becoming root with su
    3. Starting, Stopping, and Restarting Daemons
    4. Changing the System Configuration
    5. Monitoring the System
    6. Keeping up with watch
    7. Checking Boot Messages with dmesg
    8. Setting the Date and Time
19. 16. Sensational Unix Tricks
    1. Cleaning Up HTML Documents with tidy
    2. Searching and Replacing Throughout Multiple Documents with sed
    3. Generating Reports with awk
    4. Using Input to Customize Your Environment
    5. Using ROT13 Encoding with sed
    6. Embedding ROT13 Encoding in a Shell Script
    7. Making Backups with rsync
    8. Using Advanced Redirection with stderr
20. A. Unix Reference
21. B. What’s What and What’s Where
22. C. Commands and Flags