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Index: N

examples

UNIX Power Tools, 44.5. Test String Values with Bourne Shell case
UNIX Power Tools, 44.9. Testing Your Success
UNIX Power Tools, 44.11. Set Exit Status of a Shell (Script)
UNIX Power Tools, 44.12. Trapping Exits Caused by Interrupts
UNIX Power Tools, 45.31. Nested Command Substitution
UNIX Power Tools, 45.32. A Better read Command: grabchars
UNIX Power Tools, 46.9. If Command Doesn't Return a Status, Test the Error Messages
UNIX Power Tools, 47.2.1.4. More Elaborate Combinations

name lines in termcap or terminfo files : UNIX Power Tools, 41.11. How termcap and terminfo Describe Terminals

naming

script files : sed & awk, 2.2. Command-Line Syntax

namesort script : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc

naming

commands : UNIX Power Tools, 44.21. Picking a Name for a New Command

directories

Learning the UNIX Operating System, 4.2. File and Directory Names
Learning the UNIX Operating System, 4.3. File and Directory Wildcards
UNIX Power Tools, 16.21. Finding All Directories with the Same Name

environment variables : UNIX Power Tools, 6.1. What Environment Variables Are Good For

files : (see filenames)

magnetic tapes : UNIX Power Tools, 20.3.2. What Is the Name of the Tape Drive?

multiple names for one file : UNIX Power Tools, 18.3. Files with Two or More Names

self-renaming scripts : UNIX Power Tools, 45.4. Fun with #!

shell scripts : UNIX Power Tools, 44.21. Picking a Name for a New Command

special filenames

sed & awk, 11.2.1.4. Special filenames
sed & awk, 11.2.3.7. Additional special files

terminals : UNIX Power Tools, 5.10. Finding What Terminal Names You Can Use

nawk scripting language

UNIX Power Tools, 33.11. Quick Reference: awk
UNIX Power Tools, 50.12. Common UNIX Error Messages
sed & awk, 2.1. Awk, by Sed and Grep, out of Ed
UNIX in a Nutshell, Chapter 2, Reference: nawk
UNIX in a Nutshell, 11.1. Command-line Syntax
(see also awk scripting language; gawk scripting language)
databases created using : UNIX Power Tools, 48.10. Working with Names and Addresses
examples : UNIX Power Tools, 45.25. Shell Scripts On-the-Fly from Standard Input
version history : UNIX Power Tools, 33.12. Versions of awk

neatening text

UNIX Power Tools, 35.2. Neatening Text with fmt
UNIX Power Tools, 35.3. Alternatives to fmt

nested conditional statements : sed & awk, 8.1. Conditional Statements

netpbm : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc

netstat command : UNIX Power Tools, 39.12.3. The I/O Subsystem

Network Filesystem : (see NFS)

Network I/O problems : UNIX Power Tools, 39.12.3. The I/O Subsystem

Network Information Service (NIS) : Learning the Korn Shell, 7.3.2.1. The C Compiler as Pipeline

network time : UNIX Power Tools, 39.5. Why Is the System So Slow?

networked filesystem : Learning the UNIX Operating System, 3.1.3. The Directory Tree

networks

archiving : UNIX Power Tools, 19.1. Packing Up and Moving
copying files across : Learning the UNIX Operating System, 4.4.2.3. rcp
find command and : UNIX Power Tools, 17.25. Keeping find From Searching Networked Filesystems
stream-oriented protocols : UNIX Power Tools, 20.6. Writing a Tape Drive on a Remote Machine
utilities for : UNIX Power Tools, 1.33. UNIX Networking and Communications

new features in next ksh release : Learning the Korn Shell, A.7. The Future of the Korn Shell

newform command

UNIX in a Nutshell, Chapter 2, Reference: newform
(see also cut command; paste command)

newgrp command

Learning the Korn Shell, A.6. Workalikes on PC Platforms
UNIX Power Tools, 22.13. Groups and Group Ownership
UNIX in a Nutshell, Chapter 4, Reference: newgrp

newline characters : (see whitespace)

newline glitch : UNIX Power Tools, 41.11. How termcap and terminfo Describe Terminals

news command : UNIX in a Nutshell, Chapter 2, Reference: news

news directory, accessing : UNIX in a Nutshell, Chapter 2, Reference: news

newsgroup, awk : sed & awk, Other Sources of Information About sed and awk

next command (awk)

UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
sed & awk, 8.3. Other Statements That Affect Flow Control
sed & awk, 10.1. The getline Function
UNIX in a Nutshell, Chapter 11, Reference: next
(see also getline function)

next command (dbx) : UNIX in a Nutshell, Chapter 20, Reference: next

next command (ex) : UNIX in a Nutshell, Chapter 9, Reference: next

next command (sed) : (see n command (sed); N command (sed))

nextday script

UNIX Power Tools, 40.10. nextday, nextweekday: Tomorrow or Next Weekday
UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc

nextfile statement : sed & awk, 11.2.1.5. The nextfile statement

nexti command (dbx) : UNIX in a Nutshell, Chapter 20, Reference: nexti

nextweekday script

UNIX Power Tools, 40.10. nextday, nextweekday: Tomorrow or Next Weekday
UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
adding calendar information to : UNIX Power Tools, 48.4.3. Automating Your Own Calendar

NF variable

sed & awk, 7.7. System Variables
sed & awk, 10.1.2. Assigning the Input to a Variable

NFS (Network Filesystem)

UNIX Power Tools, 1.33. UNIX Networking and Communications
UNIX Power Tools, 52.5.3.1. Directory Structure
mounting : UNIX Power Tools, 5.6. Checklist: Terminal Hangs When I Log In

nfsstat command : UNIX Power Tools, 39.12.3. The I/O Subsystem

nice command

Learning the Korn Shell, 1.8.2. Background Jobs and Priorities
UNIX Power Tools, 39.9. Know When to Be "nice" to OTher Users...and When
UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
UNIX in a Nutshell, Chapter 2, Reference: nice
UNIX in a Nutshell, Chapter 5, Reference: nice
background processes and : UNIX Power Tools, 1.28. Some Gotchas with Background Processing

nice number : UNIX Power Tools, 39.9. Know When to Be "nice" to OTher Users...and When

niceness : UNIX Power Tools, 39.9. Know When to Be "nice" to OTher Users...and When

nine-track tapes : UNIX Power Tools, 20.6. Writing a Tape Drive on a Remote Machine

nl command : UNIX in a Nutshell, Chapter 2, Reference: nl

nl program : UNIX Power Tools, 25.21. Numbering Lines

nm command : UNIX in a Nutshell, Chapter 2, Reference: nm

"no login associated with uid #" error message : UNIX Power Tools, 50.12. Common UNIX Error Messages

"No match" error : UNIX Power Tools, 15.4. What if a Wildcard Doesn't Match?

"no matches" error (ed, ex) : UNIX Power Tools, 33.7. ed/ex Batch Edits: Avoid Errors When No Match

NO SCROLL key : Learning the UNIX Operating System, 1.4. The Unresponsive Terminal

no_run script : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc

nobeep shell variable : UNIX in a Nutshell, 5.3.3. Predefined Shell Variables

noclobber shell variable

Learning the Korn Shell, 3.3. Options
Learning the Korn Shell, 7.1. I/O Redirectors
Learning the Korn Shell, 10.2.3. Types of Global Customization
Learning the UNIX Operating System, 5.1.1.1. The > operator
UNIX Power Tools, 6.8. Shell Variables
UNIX Power Tools, 6.9. Special C Shell Variables
UNIX Power Tools, 13.6. Safe I/O Redirection with noclobber
UNIX Power Tools, 23.7. Safer File Deletion in Some Directories
UNIX in a Nutshell, 5.3.3. Predefined Shell Variables

NOG script : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc

noglob shell variable

UNIX Power Tools, 6.9. Special C Shell Variables
UNIX in a Nutshell, 5.3.3. Predefined Shell Variables

nohup command

Learning the Korn Shell, 8.4.3. Ignoring Signals
Learning the Korn Shell, A.1. The Bourne Shell
UNIX Power Tools, 38.18. nohup
UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
UNIX in a Nutshell, Chapter 2, Reference: nohup
UNIX in a Nutshell, Chapter 4, Reference: nohup
UNIX in a Nutshell, Chapter 5, Reference: nohup
background processes and : UNIX Power Tools, 1.28. Some Gotchas with Background Processing

nohup.out file : UNIX Power Tools, 38.18. nohup

nolinks shell variable : UNIX Power Tools, 14.13. Which Directory Am I in, Really?

nom script

UNIX Power Tools, 15.9. nom: List Files that Don't Match a Wildcard
UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
trap command in : UNIX Power Tools, 44.12. Trapping Exits Caused by Interrupts

non-canonical input mode : UNIX Power Tools, 41.7. Reading Verrrry Long Lines from the Terminal

non-English characters : sed & awk, 3.2.4.3. POSIX character class additions

nonexecutable scripts : UNIX Power Tools, 4.3. Organizing Nonexecutable Scripts

nonlogin shell : UNIX Power Tools, 2.2. Shell Setup Files-Which, Where, and Why

nonomatch shell variable

UNIX Power Tools, 6.9. Special C Shell Variables
UNIX in a Nutshell, 5.3.3. Predefined Shell Variables

nonprintable characters : (see control characters; special characters)

noremap command (vi) : UNIX Power Tools, 31.14. Don't Lose Important Functions with vi Maps: Use noremap

non-shareable files : UNIX Power Tools, 52.5.3.1. Directory Structure

Normal script : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc

NOT (!) operator : (see !, negation operator)

not a tty. message : UNIX Power Tools, 38.6. The Controlling Terminal

"not a typewriter" error message : UNIX Power Tools, 50.12. Common UNIX Error Messages

"not enough memory" error message : UNIX Power Tools, 50.12. Common UNIX Error Messages

notepad, creating in terminal windows : UNIX Power Tools, 48.3. A Scratchpad on Your Screen

notify command

UNIX in a Nutshell, Chapter 2, Reference: notify
UNIX in a Nutshell, Chapter 5, Reference: notify

notify shell variable

UNIX Power Tools, 6.9. Special C Shell Variables
UNIX in a Nutshell, 5.3.3. Predefined Shell Variables

Novell : Learning the Korn Shell, A.7. The Future of the Korn Shell

Novell NetWare : Learning the Korn Shell, A. Related Shells

NR variable

sed & awk, 7.7. System Variables
sed & awk, 8.4. Arrays
sed & awk, 10.1.2. Assigning the Input to a Variable

nroff program

UNIX Power Tools, 43.13. The Text Formatters nroff, troff, ditroff, ...
UNIX in a Nutshell, 12. Nroff and Troff
as alternative to awk : UNIX Power Tools, 48.12. Using index with a Filter
commands : UNIX Power Tools, 50.6. Searching Online Manual Pages
eliminating .so requests : UNIX in a Nutshell, Chapter 2, Reference: soelim
macros : UNIX Power Tools, 43.14. nroff/troff and Macro Packages
-man macros : UNIX Power Tools, 50.10. Make Your Own Man Pages Without Learning troff
preprocessors of : UNIX in a Nutshell, 16. Preprocessors
requests, list of : UNIX in a Nutshell, 12.4. Default Operation of Requests
stripping non-printable characters : sed & awk, 5.6.1. Stripping Out Non-Printable Characters from nroff Files

null commands

UNIX Power Tools, 44.8. Test Exit Status with the if Statement
UNIX in a Nutshell, Chapter 2, Reference: true

null filenames : UNIX Power Tools, 23.13. Deleting Files with the Null Name

null strings : Learning the Korn Shell, 4.2.1. Positional Parameters

number command (ex) : UNIX in a Nutshell, Chapter 9, Reference: number

number registers

in mm macros : UNIX in a Nutshell, 13.3. Number Registers Used in mm

for ms macros

UNIX in a Nutshell, 14.2. Number Registers for Page Layout
UNIX in a Nutshell, 14.4. Reserved Number Register Names

in nroff/troff : UNIX in a Nutshell, 12.5.11. Number Registers

numbered replacement strings : sed & awk, 5.3.1. Replacement Metacharacters

numbering lines

UNIX Power Tools, 25.21. Numbering Lines
UNIX in a Nutshell, Chapter 2, Reference: nl

numbering revisions (RCS) : UNIX in a Nutshell, 18.3.4. Revision Numbering

numbers

UNIX Power Tools, 49.1. bc: Simple Math at the Shell Prompt

(see also calculators)

arithmetic functions : (see arithmetic functions)

comparing (relationship operators)

sed & awk, 7.8. Relational and Boolean Operators
(see also comparing)

converting to strings : sed & awk, 7.7. System Variables

converting units of : UNIX in a Nutshell, Chapter 2, Reference: units

factorials : sed & awk, 8.2.4. Deriving Factorials

hexadecimal

UNIX Power Tools, 51.3. ASCII Characters: Listing and Getting Values
sed & awk, 7.6. Expressions
tawk constants : sed & awk, 11.3.2.1. Tawk language extensions
limitations on : sed & awk, 10.8. Limitations

octal

UNIX Power Tools, 1.23. File Access Permissions

sed & awk, 7.6. Expressions

of ASCII characters

UNIX Power Tools, 7.8. Highlighting in Shell Prompts
UNIX Power Tools, 51.3. ASCII Characters: Listing and Getting Values

interpreting : UNIX Power Tools, 45.35.1. With echo

for permissions : UNIX Power Tools, 17.15. Searching for Files by Permission

output precision : sed & awk, 7.9. Formatted Printing

prime factors : UNIX in a Nutshell, Chapter 2, Reference: factor

random : sed & awk, 9.1.3. Random Number Generation

truncating : sed & awk, 9.1.2. Integer Function

working with : UNIX Power Tools, 49.1. bc: Simple Math at the Shell Prompt

numeric arguments

with edit commands : Learning the vi Editor, 2.3.3.1. Words
with insert commands : Learning the vi Editor, 2.4.1. Numeric Arguments for Insert Commands
with movement commands : Learning the vi Editor, 2.2.2. Numeric Arguments

numeric capabilities : UNIX Power Tools, 41.11. How termcap and terminfo Describe Terminals

numeric command returns : UNIX Power Tools, 44.7. Exit Status of UNIX Processes

numeric exit status : UNIX Power Tools, 38.3. Managing Processes: Overall Concepts

numeric flags : sed & awk, 5.3. Substitution

numeric tests, syntax errors in : UNIX Power Tools, 46.4. Stop Syntax Errors in Numeric Tests

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