Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Index: N

N>&- operator : 47.2.1.3. Closing FDs

n>&m : 45.21. n>&m: Swap Standard Output and Standard Error

examples

44.5. Test String Values with Bourne Shell case

45.31. Nested Command Substitution

45.32. A Better read Command: grabchars

N>&M operator

examples : 47.2.1.4. More Elaborate Combinations

n>&m operator

examples

44.9. Testing Your Success

44.11. Set Exit Status of a Shell (Script)

44.12. Trapping Exits Caused by Interrupts

46.9. If Command Doesn't Return a Status, Test the Error Messages

name lines in termcap or terminfo files : 41.11. How termcap and terminfo Describe Terminals

namesort script : 52.4. Quick Descriptions of What's on the Disc

naming

commands : 44.21. Picking a Name for a New Command

directories : 16.21. Finding All Directories with the Same Name

environment variables : 6.1. What Environment Variables Are Good For

files

4.6. Naming Files

(see filenames)

magnetic tapes : 20.3.2. What Is the Name of the Tape Drive?

multiple names for one file : 18.3. Files with Two or More Names

self-renaming scripts : 45.4. Fun with #!

shell scripts : 44.21. Picking a Name for a New Command

terminals : 5.10. Finding What Terminal Names You Can Use

nawk utility

33.11. Quick Reference: awk

50.12. Common UNIX Error Messages

(see also awk utility; gawk utility)

databases created using : 48.10. Working with Names and Addresses

version history : 33.12. Versions of awk

nawk utilityxs

examples : 45.25. Shell Scripts On-the-Fly from Standard Input

neatening text

35.2. Neatening Text with fmt

35.3. Alternatives to fmt

netpbm : 52.4. Quick Descriptions of What's on the Disc

netstat command : 39.12.3. The I/O Subsystem

Network Filesystem : (see NFS)

Network I/O problems : 39.12.3. The I/O Subsystem

network time : 39.5. Why Is the System So Slow?

networking utilities : 1.33. UNIX Networking and Communications

networks

archiving : 19.1. Packing Up and Moving

find command and : 17.25. Keeping find From Searching Networked Filesystems

stream-oriented protocols : 20.6. Writing a Tape Drive on a Remote Machine

newgrp command : 22.13. Groups and Group Ownership

newline character

allowing delays after : 41.2.1. How We Made It This Far (Back?)

newline characters

1.29. When Is a File Not a File?

4.9. Setting Up vi with the .exrc File

25.10. Squash Extra Blank Lines

25.13. pushin: Squeeze Out Extra White Space

(see also whitespace)

in output : 8.6.1. Portability

problems with xargs : 9.22. xargs: Problems with Spaces and Newlines

newline glitch : 41.11. How termcap and terminfo Describe Terminals

next command (awk) : 33.11.7. Alphabetical Summary of Commands

nextday script

40.10. nextday, nextweekday: Tomorrow or Next Weekday

52.4. Quick Descriptions of What's on the Disc

nextweekday script

40.10. nextday, nextweekday: Tomorrow or Next Weekday

52.4. Quick Descriptions of What's on the Disc

adding calendar information to : 48.4.3. Automating Your Own Calendar

NFS (Network Filesystem)

1.33. UNIX Networking and Communications

52.5.3.1. Directory Structure

NFS (Network Filesystem)

mounting : 5.6. Checklist: Terminal Hangs When I Log In

nfsstat command : 39.12.3. The I/O Subsystem

nice command

39.9. Know When to Be "nice" to OTher Users...and When

52.4. Quick Descriptions of What's on the Disc

background processes and : 1.28. Some Gotchas with Background Processing

nice number : 39.9. Know When to Be "nice" to OTher Users...and When

niceness : 39.9. Know When to Be "nice" to OTher Users...and When

nine-track tapes : 20.6. Writing a Tape Drive on a Remote Machine

nl program : 25.21. Numbering Lines

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

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

no matches

error (ed, ex) : 33.7. ed/ex Batch Edits: Avoid Errors When No Match

no_run script : 52.4. Quick Descriptions of What's on the Disc

noclobber shell variable

6.8. Shell Variables

6.9. Special C Shell Variables

13.6. Safe I/O Redirection with noclobber

23.7. Safer File Deletion in Some Directories

NOG script : 52.4. Quick Descriptions of What's on the Disc

noglob shell variable : 6.9. Special C Shell Variables

nohup command

38.18. nohup

52.4. Quick Descriptions of What's on the Disc

background processes and : 1.28. Some Gotchas with Background Processing

nohup.out file : 38.18. nohup

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

nom script

15.9. nom: List Files that Don't Match a Wildcard

52.4. Quick Descriptions of What's on the Disc

trap command in : 44.12. Trapping Exits Caused by Interrupts

non-canonical input mode : 41.7. Reading Verrrry Long Lines from the Terminal

non-printing control characters : (see control characters)

non-shareable files : 52.5.3.1. Directory Structure

nonexecutable scripts : 4.3. Organizing Nonexecutable Scripts

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

nonomatch shell variable : 6.9. Special C Shell Variables

nonprintable characters : (see special characters)

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

Normal script : 52.4. Quick Descriptions of What's on the Disc

not a tty. message : 38.6. The Controlling Terminal

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

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

notepad

creating in terminal windows : 48.3. A Scratchpad on Your Screen

notify shell variable : 6.9. Special C Shell Variables

nroff program : 43.13. The Text Formatters nroff, troff, ditroff, ...

as alternative to awk : 48.12. Using index with a Filter

commands

in : 50.6. Searching Online Manual Pages

macros : 43.14. nroff/troff and Macro Packages

-man macros : 50.10. Make Your Own Man Pages Without Learning troff

null command : 44.8. Test Exit Status with the if Statement

null filenames : 23.13. Deleting Files with the Null Name

numbering lines : 25.21. Numbering Lines

numbers

49.1. bc: Simple Math at the Shell Prompt

(see also calculators)

working with : 49.1. bc: Simple Math at the Shell Prompt

numeric capabilities : 41.11. How termcap and terminfo Describe Terminals

numeric command returns : 44.7. Exit Status of UNIX Processes

numeric exit status : 38.3. Managing Processes: Overall Concepts

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

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