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Index: H
- $header$ keyword (RCS): UNIX in a Nutshell, 19.3.2. Keywords
 
H (home) command: Learning the vi Editor, 3.1.4. Movement Within a Screen 
h (move cursor) command
  - Learning the vi Editor, 2.2.1. Single Movements 
  
- Learning the vi Editor, 3.1.5.1. Movement on the current line
  
H command: sed & awk, 6.3. Hold That Line
h command (sed)
  - sed & awk, 6.3. Hold That Line
  
- sed & awk, 6.3.1. A Capital Transformation
  
- UNIX in a Nutshell, Chapter 10, Reference: h
   
.h filename extension: UNIX Power Tools, 1.17. Filename Extensions 
-h option (vile): Learning the vi Editor, 12.2. Important Command-Line Arguments
Hacker's Dictionary, The: UNIX Power Tools, 51.8. Type Bang Splat.  Don't Forget the Rabbit Ears 
hackerese, interpreting: UNIX Power Tools, 51.8. Type Bang Splat.  Don't Forget the Rabbit Ears 
hacking: UNIX Power Tools, 1.7. Power Grows on You 
Haley, Chuck: Learning the vi Editor, 9.1. Author and History
half duplex system: UNIX Power Tools, 41.2.1. How We Made It This Far (Back?) 
half-baked mode: (see cbreak mode)
HANGUP signal
  - automatically killing background processes: UNIX Power Tools, 38.17. Automatically Kill Background Processes on Logout in csh
  
 
  
hard disk quota limits: UNIX Power Tools, 24.17. Disk Quotas 
hard links
  - (see also symbolic links)
  
- UNIX Power Tools, 14.14. Automatic Setup When You Enter/Exit a Directory 
  
- UNIX Power Tools, 18.4. More About Links 
  
- copying: UNIX Power Tools, 18.15. Copying Directory Trees with cp -r 
  
    
  
  finding: UNIX Power Tools, 17.22. Finding the Links to a File 
  
  
hardpaths shell variable
  - UNIX in a Nutshell, 5.3.3. Predefined Shell Variables
  
- UNIX Power Tools, 6.9. Special C Shell Variables 
  
- UNIX Power Tools, 14.13. Which Directory Am I in, Really? 
   
hardware flow control: (see RTS/CTS flow control)
hardware flow control modes, setting: UNIX in a Nutshell, Chapter 2, Reference: stty
  
hardware platforms: UNIX Power Tools, 52.5.3. Installing Pre-Compiled Binaries 
hash command (ksh)
  - UNIX in a Nutshell, Chapter 4, Reference: hash
  
- UNIX in a Nutshell, Chapter 4, Reference: hash
  
hash mark (see #)
  
hashstat command: UNIX in a Nutshell, Chapter 5, Reference: hashstat
head
  - Learning the Korn Shell, 4.3.1. Syntax of String Operators
  
- Learning the Korn Shell, 6.2.2. Arithmetic Variables and Assignment
  
- Learning the Korn Shell, 7.3.2. eval
   
head command: UNIX in a Nutshell, Chapter 2, Reference: head
head command, piping ps output to: UNIX Power Tools, 38.5. The ps Command 
head script
  - UNIX Power Tools, 25.20. Printing the Top of a File 
  
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc 
  
header files in /usr/include: UNIX Power Tools, 52.8.2.7. Functions, Libraries, and Header Files 
headers
  - Java code: UNIX in a Nutshell, Chapter 2, Reference: javah
  
- editing: UNIX Power Tools, 52.8.2.4. Unsharring the Sources 
- email message: Learning the UNIX Operating System, 3.4.2. Reading Your Mail
   
help
  - UNIX Power Tools, 50.1. UNIX Online Documentation 
  
- elvis editor: Learning the vi Editor, 10.3. Online Help and Other Documentation
  
  
  
  emacs commands for: UNIX in a Nutshell, 7.2.16. Detail Information Help Commands
  
  
  man pages: (see manual pages)
  
  
  manpage keyword lookup: UNIX in a Nutshell, Chapter 2, Reference: apropos
  
  
  nvi editor: Learning the vi Editor, 9.3. Online Help and Other Documentation
  
  
  online manual: (see manpages)
  
  
  vile editor: Learning the vi Editor, 12.3. Online Help and Other Documentation
  
  
  vim editor: Learning the vi Editor, 11.3. Online Help and Other Documentation
  
  
:help (:h) command (vile): Learning the vi Editor, 12.3. Online Help and Other Documentation
help and resources
  - for further reading: Learning the UNIX Operating System, A.1. General UNIX Books
  
 
  
  info command: Learning the UNIX Operating System, 7.1. Standard UNIX Documentation
  
  
  more command: Learning the UNIX Operating System, 3.2.2. more
  
  
  troubleshooting: (see troubleshooting)
  
  
  UNIX documentation: Learning the UNIX Operating System, 7.1. Standard UNIX Documentation
  
  
help command (lpc): UNIX Power Tools, 43.3. Printer Control with lpc 
help command (SCCS): UNIX in a Nutshell, Chapter 18, Reference: help
:help command (vim): Learning the vi Editor, 11.3. Online Help and Other Documentation
here documents
  - UNIX Power Tools, 8.18. Here Documents 
  
- UNIX Power Tools, 9.14. Using Here Documents for Form Letters, etc. 
  
- UNIX Power Tools, 19.2. Introduction to Shell Archives 
  
- Learning the vi Editor, 7.4.2. Here Documents 
    
here-documents: Learning the Korn Shell, 7.1.1. Here-documents
  - deleting leading TABs in: Learning the Korn Shell, 7.1.1. Here-documents
  
 
  
  parameter and command substitution in: Learning the Korn Shell, 7.1.1. Here-documents
  
  
hereis document terminators: UNIX Power Tools, 45.26. Quoted hereis Document Terminators: sh vs. csh 
hex display mode (elvis)
  - Learning the vi Editor, 10.8.4. Arbitrary Length Lines and Binary Data
  
- Learning the vi Editor, 10.10.1. Display Modes
  
hexadecimal constants (tawk): sed & awk, 11.3.2.1. Tawk language extensions
hexadecimal numbers: sed & awk, 7.6. Expressions
hexadecimal values: UNIX Power Tools, 51.3. ASCII Characters: Listing and Getting Values 
hey script
  - UNIX Power Tools, 16.15. Script with a :-) for UNIX Converts: dir, ..., ... 
  
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc 
  
hgrep
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc 
- UNIX Power Tools, 27.20. A Highlighting grep 
  
hidden files
  - Learning the UNIX Operating System, 3.1.8.1. ls
  
- (see dot files)
  
:hide (:hid) command (vim): Learning the vi Editor, 11.5. Multiwindow Editing
hiding special characters: sed & awk, 12.3.1. How to Hide a Special Character
Hiebert, Darren: Learning the vi Editor, 8.5.1. Exuberant ctags
hierarchical filesystems
  - UNIX Power Tools, 1.19. The Tree Structure of the Filesystem 
  
- UNIX Power Tools, 18.1. What's So Complicated About Copying Files? 
  
hierarchy, directory
  - Learning the UNIX Operating System, 3.1.3. The Directory Tree
  
- Learning the UNIX Operating System, 3.1.7. Files in the Directory Tree
  
High Sierra format: UNIX Power Tools, 52.5.1. CD-ROM Formats 
highlighting
  - in shell prompts: UNIX Power Tools, 7.8. Highlighting in Shell Prompts 
  
-  text: UNIX Power Tools, 27.20. A Highlighting grep 
  
hist command: UNIX in a Nutshell, Chapter 4, Reference: hist
histchars shell variable
  - UNIX in a Nutshell, 5.3.3. Predefined Shell Variables
  
- UNIX Power Tools, 6.9. Special C Shell Variables 
  
- UNIX Power Tools, 11.15. Changing C Shell History Characters with histchars 
   
HISTCMD shell variables: UNIX in a Nutshell, 4.3.2. Built-in Shell Variables
HISTEDIT shell variable: UNIX in a Nutshell, 4.3.3. Other Shell Variables
HISTFILE
  - UNIX in a Nutshell, 4.3.3. Other Shell Variables
- Learning the Korn Shell, 2.2. The History File
  
- Learning the Korn Shell, 3.4.2.1. Editing mode variables
  
- Learning the Korn Shell, 3.5.1. Environment Variables
    
HISTFILESIZE environment variable: UNIX Power Tools, 11.11. Picking Up Where You Left Off 
:historical-buffer command (vile): Learning the vi Editor, 12.5. Multiwindow Editing
history (alias): Learning the Korn Shell, 2.5. The fc Command
history command
  - UNIX in a Nutshell, Chapter 4, Reference: history
  
- UNIX in a Nutshell, Chapter 5, Reference: history
  
- UNIX in a Nutshell, 5.5. Command History
  
- UNIX Power Tools, 11.1. The Lessons of History 
    
.history file
  - UNIX in a Nutshell, 5.2.1. Special Files
  
- UNIX Power Tools, 11.11. Picking Up Where You Left Off 
  
history of command
  - UNIX Power Tools, 11.1. The Lessons of History 
  
- UNIX Power Tools, 11.14. More Ways to Do Interactive History Editing 
  
- editing substitutions: UNIX Power Tools, 9.6. String Editing (Colon) Operators 
  
   
  
  history substitutions: UNIX Power Tools, 11.1. The Lessons of History 
  
  
  passing to other shells: UNIX Power Tools, 11.12. Pass History to Another Shell 
  
  
history option (vim): Learning the vi Editor, 11.8.1. Command-Line History and Completion
history shell variable
  - UNIX in a Nutshell, 5.3.3. Predefined Shell Variables
  
- UNIX Power Tools, 6.8. Shell Variables 
  
- UNIX Power Tools, 6.9. Special C Shell Variables 
  
- UNIX Power Tools, 11.1. The Lessons of History 
    
history substitutions
  - UNIX Power Tools, 8.5. Command-Line Evaluation 
  
- UNIX Power Tools, 10.3. C Shell Aliases with Command-Line Arguments 
  
history, command
  - csh shell: UNIX in a Nutshell, 5.5. Command History
  
 
  
  ksh shell: UNIX in a Nutshell, 4.5. Command History
  
  
history, command-line: Learning the vi Editor, 8.6.1. Command-Line History and Completion
  - elvis editor: Learning the vi Editor, 10.8.1. Command-Line History and Completion
  
 
  
  nvi editor: Learning the vi Editor, 9.8.1. Command-Line History and Completion
  
  
  vile editor: Learning the vi Editor, 12.8.1. Command-Line History and Completion
  
  
  vim editor: Learning the vi Editor, 11.8.1. Command-Line History and Completion
  
  
[History] buffer (vile): Learning the vi Editor, 12.8.1. Command-Line History and Completion
HISTSIZE
- Learning the Korn Shell, 2.2. The History File
  
- UNIX Power Tools, 11.1. The Lessons of History 
  
- UNIX Power Tools, 11.11. Picking Up Where You Left Off 
-  UNIX in a Nutshell, 4.3.3. Other Shell Variables
    
hold buffer
  - Learning the vi Editor, 6.3.1. Metacharacters Used in Search Patterns 
  
- Learning the vi Editor, 11.7. Extended Regular Expressions
  
- Learning the vi Editor, 12.7. Extended Regular Expressions
   
hold command: sed & awk, 6.3.2. Correcting Index Entries (Part II)
HOLD SCREEN button: UNIX Power Tools, 42.2.1. Output Stopped? 
hold space
  - (see also pattern space)
  
- sed & awk, 6.3. Hold That Line
  
  home directory
  - Learning the UNIX Operating System, 3.1.1. Your Home Directory
  
- UNIX Power Tools, 1.20. Your Home Directory 
  
- UNIX Power Tools, 6.3. Predefined Environment Variables 
  
- finding: UNIX Power Tools, 14.11. Finding (Anyone's) Home Directory, Quickly 
  
    
  
  organizing: UNIX Power Tools, 4.1. What? Me, Organized? 
  
  
HOME environment variable
  - Learning the Korn Shell, 3.4.3.1. Miscellaneous Variables
  
- Learning the Korn Shell, 3.5.1. Environment Variables
  
- Learning the Korn Shell, 7.3. Command-line Processing
- UNIX in a Nutshell, 4.3.3. Other Shell Variables
- UNIX in a Nutshell, 5.3.5. Environment Variables
  
- UNIX Power Tools, 6.3. Predefined Environment Variables 
  
- UNIX Power Tools, 14.11. Finding (Anyone's) Home Directory, Quickly 
  
- in C shell: UNIX Power Tools, 47.2.5. Variable Syntax 
  
        
  
HOME key, mapping: Learning the vi Editor, 7.3.8. Mapping Other Special Keys 
$HOME/.nexrc file (nvi): Learning the vi Editor, 9.4. Initialization
horizontal alignment: (see alignment/positioning)
horizontal scrolling: Learning the vi Editor, 8.6.5. Left-Right Scrolling
  - elvis editor: Learning the vi Editor, 10.8.5. Left-Right Scrolling
  
 
  
  nvi editor: Learning the vi Editor, 9.8.6. Left-Right Scrolling
  
  
  vile editor: Learning the vi Editor, 12.8.6. Left-Right Scrolling
  
  
  vim editor: Learning the vi Editor, 11.8.6. Left-Right Scrolling
  
  
horizontal spacing: (see whitespace)
horizscroll option: Learning the vi Editor, 8.6.5. Left-Right Scrolling
Horton, Mark: Learning the vi Editor, 9.1. Author and History
host machine
  - UNIX in a Nutshell, Chapter 2, Reference: hostid
  
- UNIX in a Nutshell, Chapter 2, Reference: hostname
  
hostid command: UNIX in a Nutshell, Chapter 2, Reference: hostid
hostname command
  - (see also uuname command)
  
- Learning the Korn Shell, 4.4. Command Substitution
 
- UNIX in a Nutshell, Chapter 2, Reference: hostname
   
hostnames, mailing to: Learning the UNIX Operating System, 3.4.1. Sending Mail
hosts
  - .cshrc.$HOST file for: UNIX Power Tools, 2.13. A .cshrc.$HOST File for Per Host Setup 
  
 
  
hp values (lptype option): Learning the vi Editor, 10.10.1. Display Modes
HP/UX
  - Learning the Korn Shell, 1. Korn Shell Basics
  
- Learning the Korn Shell, 1.9.5. Control Keys
  
hrs field in crontab entries: UNIX Power Tools, 40.12.1. Execution Scheduling 
hsfs (High Sierra Filesystem): UNIX Power Tools, 52.5.2. Mounting the CD-ROM 
html display mode (elvis)
  - Learning the vi Editor, 10.8.2. Tag Stacks
  
- Learning the vi Editor, 10.10.1. Display Modes
  
HTML file extension: UNIX Power Tools, 1.17. Filename Extensions 
.html filename extension: UNIX Power Tools, 1.17. Filename Extensions 
hung terminals
- Learning the UNIX Operating System, 1.4. The Unresponsive Terminal
 
UNIX Power Tools, 5.6. Checklist: Terminal Hangs When I Log In 
HUP (hangup) signal: UNIX Power Tools, 38.8. What Are Signals? 
hyphen (-)
  - (see also - (hyphen))
 
-- (decrement) operator: sed & awk, 7.6. Expressions
  
  
  -= (assignment) operator: sed & awk, 7.6. Expressions
  
  
  character classes and: sed & awk, 3.2.4.1. A range of characters
  
  
  command options: Learning the UNIX Operating System, 1.2. Syntax of UNIX Command Lines
for previous file lines (ex): Learning the vi Editor, 5.2.3. Line Addressing Symbols 
  
  
  move cursor command
    - Learning the vi Editor, 2.2.1. Single Movements 
    
- Learning the vi Editor, 3.1.5. Movement by Line 
  
  
  subtraction operator: sed & awk, 7.6. Expressions
  
  
hyphenation
  - nroff/troff requests for: UNIX in a Nutshell, 12.5.7. Hyphenation
  
 
  
Symbols
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