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Index: O

O (open line) command: Learning the vi Editor, 2.4. More Ways to Insert Text
.o filename extension: UNIX Power Tools, 1.17. Filename Extensions
-o option (elvis): Learning the vi Editor, 10.11. elvis Futures
-o option (vim): Learning the vi Editor, 11.2. Important Command-Line Arguments
oawk programming language: (see awk programming language)
obase command: UNIX Power Tools, 49.2. bc: Hexadecimal or Binary Conversion
object file extension: UNIX Power Tools, 1.17. Filename Extensions
object files: (see archives; files)
generating: UNIX in a Nutshell, Chapter 2, Reference: as
removing information from: UNIX in a Nutshell, Chapter 2, Reference: strip
object-code libraries: Learning the Korn Shell, 6.1.3.1. More About C Compilers
C runtime library: Learning the Korn Shell, 6.1.3.1. More About C Compilers
names of: Learning the Korn Shell, 6.1.3.1. More About C Compilers
obsolete commands: UNIX in a Nutshell, B. Obsolete Commands
obsolete features in next release: Learning the Korn Shell, A.7. The Future of the Korn Shell
obtaining source code
awk: sed & awk, Availability of sed and awk
commercial awk versions
sed & awk, 11.3.1. MKS awk
sed & awk, 11.3.2. Thompson Automation awk (tawk)
sed & awk, 11.3.3. Videosoft VSAwk
elvis editor: Learning the vi Editor, 10.12. Sources and Supported Operating Systems
examples: sed & awk, Obtaining Example Source Code
gawk: sed & awk, 11.2.3. GNU awk (gawk)
mawk: sed & awk, 11.2.4. Michael's awk (mawk)
nvi editor: Learning the vi Editor, 9.11. Sources and Supported Operating Systems
sample programs: sed & awk, Sample Programs
sed: sed & awk, Availability of sed and awk
vile editor: Learning the vi Editor, 12.11. Sources and Supported Operating Systems
vim editor: Learning the vi Editor, 11.11. Sources and Supported Operating Systems
ocrnl flag: UNIX Power Tools, 41.2.1. How We Made It This Far (Back?)
octal cgaracter strings: UNIX Power Tools, 7.8. Highlighting in Shell Prompts
octal dumps, producing: UNIX in a Nutshell, Chapter 2, Reference: od
octal numbers
sed & awk, 7.6. Expressions
UNIX Power Tools, 1.23. File Access Permissions
for permissions: UNIX Power Tools, 17.15. Searching for Files by Permission
interpreting: UNIX Power Tools, 45.35.1. With echo
of ASCII characters: UNIX Power Tools, 51.3. ASCII Characters: Listing and Getting Values
octothorpe (#) for comments
sed & awk, 5.2. Comment
sed & awk, 7.4.1. Describing Your Script
sed & awk, B.2.2.2. Comments
#n for suppressing output: sed & awk, 5.2. Comment
od command: UNIX in a Nutshell, Chapter 2, Reference: od
-c option
UNIX Power Tools, 18.2. What's Really in a Directory
UNIX Power Tools, 23.15. Using unlink to Remove a File with a Strange Name
UNIX Power Tools, 25.7. Show Non-Printing Characters with cat -v or od -c
looking at characters: UNIX Power Tools, 41.7. Reading Verrrry Long Lines from the Terminal
off-peak hours, taking advantage of: UNIX Power Tools, 40.1. Off-Peak Job Submission
offset script
UNIX Power Tools, 35.7. offset: Indent Text
UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
OFMT variable
sed & awk, 7.7. System Variables
sed & awk, 7.9. Formatted Printing
OFS variable: sed & awk, 7.7. System Variables
oldlinks script
UNIX Power Tools, 16.28. oldlinks: Find Unconnected Symbolic Links
UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
OLDPWD
UNIX in a Nutshell, 4.3.2. Built-in Shell Variables
Learning the Korn Shell, 3.4.3.1. Miscellaneous Variables
Learning the Korn Shell, 4.5. Advanced Examples: pushd and popd
Learning the Korn Shell, 5.1.1. Exit Status and Return
Learning the Korn Shell, 7.3. Command-line Processing
olid hardware: UNIX Power Tools, 20.6. Writing a Tape Drive on a Remote Machine
onintr command: UNIX in a Nutshell, Chapter 5, Reference: onintr
online archive, software: UNIX Power Tools, 52.7.2. Online Archive
online documentation: (see manual pages)
online help
elvis editor: Learning the vi Editor, 10.3. Online Help and Other Documentation
nvi editor: Learning the vi Editor, 9.3. Online Help and Other Documentation
vi tutorial: Learning the vi Editor, E.1.5. Online vi Tutorial
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
online manual: (see manpages)
online manual source file extension: UNIX Power Tools, 1.17. Filename Extensions
:only (:on) command (vim): Learning the vi Editor, 11.5. Multiwindow Editing
open command (ex): UNIX in a Nutshell, Chapter 9, Reference: open
OPEN LOOK: Learning the Korn Shell, A.3. wksh
open mode: (see ex editor, open mode)
open mode (elvis): Learning the vi Editor, 10.10. Interesting Features
opening files: Learning the vi Editor, 1.1.1. Opening a File
at specific place: Learning the vi Editor, 4.2.1. Advancing to a Specific Place
multiple files at once
Learning the vi Editor, 5.5.1. Invoking vi on Multiple Files
Learning the vi Editor, 5.5.3. Calling in New Files
previous file: Learning the vi Editor, 5.5.4. Switching Files from vi
read-only mode: Learning the vi Editor, 4.2.2. Read-only Mode
operating system, definition of: Learning the UNIX Operating System, The UNIX Operating System
operators
arithmetic
UNIX Power Tools, 45.28. Quick Reference: expr
UNIX Power Tools, 47.4.3.2. Arithmetic Operators
assignment: UNIX Power Tools, 47.4.3.1. Assignment Operators
awk
UNIX Power Tools, 33.11.4. Operators
sed & awk, B.2.5.6. Operators
UNIX in a Nutshell, 11.5. Operators
arithmetic: sed & awk, 7.6. Expressions
assignment: sed & awk, 7.6. Expressions
Boolean: sed & awk, 7.8. Relational and Boolean Operators
postfix versus prefix: sed & awk, 7.6. Expressions
relational: sed & awk, 7.8. Relational and Boolean Operators
bitwise: UNIX Power Tools, 47.4.3.3. Bitwise and Logical Operators
comparison: UNIX Power Tools, 47.4.3.4. Comparison Operators
file inquiry: UNIX Power Tools, 47.4.3.5. File Inquiry Operators
logical
UNIX Power Tools, 45.28. Quick Reference: expr
UNIX Power Tools, 47.4.3.3. Bitwise and Logical Operators
precedence in C shell: UNIX Power Tools, 47.4.2. Expressions
relational: UNIX Power Tools, 45.28. Quick Reference: expr
string editing: UNIX Power Tools, 45.12. Parameter Substitution
unmatched: UNIX Power Tools, 46.1.2. Unmatched Operators
operators, C shell: UNIX in a Nutshell, 5.4.1. Operators
opost flag: UNIX Power Tools, 41.2.1. How We Made It This Far (Back?)
OPTARG
Learning the Korn Shell, 6.1.3. getopts
UNIX in a Nutshell, 4.3.2. Built-in Shell Variables
OPTIND
Learning the Korn Shell, 6.1.3. getopts
UNIX in a Nutshell, 4.3.2. Built-in Shell Variables
options
(see also under specific option)
Learning the Korn Shell, 3. Customizing Your Environment
Learning the Korn Shell, 3.3. Options
sed & awk, 2.2. Command-Line Syntax
sed & awk, 2.3.1. Specifying Simple Instructions
awk: sed & awk, 2.4.3. Summary of Options
bgnice
Learning the Korn Shell, 3.3. Options
Learning the Korn Shell, 8.5.2. Advantages and Disadvantages of Coroutines
Learning the Korn Shell, A.6. Workalikes on PC Platforms
combining: sed & awk, 2.3.2.3. Mixing options (POSIX)
command-line
(see also command-line options)
Learning the UNIX Operating System, 1.2. Syntax of UNIX Command Lines
dash: (see command-line options)
emacs
Learning the Korn Shell, 2.1. Enabling Command-line Editing
Learning the Korn Shell, 3.3. Options
ignoreeof: Learning the Korn Shell, 3.3. Options
in next release: Learning the Korn Shell, A.7. The Future of the Korn Shell
keyword: Learning the Korn Shell, 3.5.1. Environment Variables
obsolescence in next release: Learning the Korn Shell, A.7. The Future of the Korn Shell
list of: Learning the Korn Shell, B.1. Invocation Options
set -o: Learning the Korn Shell, B.5. Options
typeset: Learning the Korn Shell, B.6. Typeset Options
list of those not supported in pdksh: Learning the Korn Shell, A.4. pdksh
markdirs: Learning the Korn Shell, 3.3. Options
monitor
Learning the Korn Shell, 8.2. Job Control
Learning the Korn Shell, A.6. Workalikes on PC Platforms
noclobber
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
noexec: Learning the Korn Shell, 9.1.1. Set Options
turning on and off: Learning the Korn Shell, 9.1.1. Set Options
noglob: Learning the Korn Shell, 3.3. Options
privileged
Learning the Korn Shell, 10.3.4. Privileged Mode
Learning the Korn Shell, A.6. Workalikes on PC Platforms
sed: sed & awk, 2.3.2.4. Summary of options
trackall
Learning the Korn Shell, 3.3. Options
Learning the Korn Shell, 10.2.3. Types of Global Customization
obsolescence in next release: Learning the Korn Shell, A.7. The Future of the Korn Shell
turning on and off
Learning the Korn Shell, 3.3. Options
Learning the Korn Shell, 9.1.1. Set Options
verbose: Learning the Korn Shell, 9.1.1. Set Options
vi
Learning the vi Editor, A. Quick Reference
Learning the vi Editor, 4.2. Options When Starting vi
Learning the Korn Shell, 2.1. Enabling Command-line Editing
Learning the Korn Shell, 3.3. Options
xtrace: Learning the Korn Shell, 9.1.1. Set Options
PS4 prompt in: Learning the Korn Shell, 9.1.1. Set Options
tracing function execution: Learning the Korn Shell, 9.1.1. Set Options
options, set command
(see also :set command)
Learning the vi Editor, 7.1.1. The :set Command
Learning the vi Editor, C. Setting Options
viewing current: Learning the vi Editor, 7.1.1. The :set Command
opttest script: UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
OR (||) operator: sed & awk, 7.8. Relational and Boolean Operators
order of operations: sed & awk, 3.1. That's an Expression
commands in scripts: sed & awk, 4.1. Applying Commands in a Script
orphans: (see processes, in pathological states)
ORS variable
sed & awk, 7.7. System Variables
sed & awk, 7.7.1. Working with Multiline Records
OS/2: Learning the Korn Shell, A.6. Workalikes on PC Platforms
Version 2: Learning the Korn Shell, 8. Process Handling
OSF/Motif: Learning the Korn Shell, A.3. wksh
other shells: (see entries for individual shells)
otherfont display mode (elvis): Learning the vi Editor, 10.9.2. Syntax Highlighting
out of band approach for flow control: UNIX Power Tools, 41.2.4. Flow Control (We Hope)
outlinemono option (elvis): Learning the vi Editor, 10.6.4. Options
output: sed & awk, 2.2. Command-Line Syntax
buffer, flushing: sed & awk, 11.2.1.3. Flushing buffered output
buffering: UNIX Power Tools, 13.9. Send Output Two or More Places with tee
directing to files
sed & awk, 2.3.2.1. Saving output
sed & awk, 10.5. Directing Output to Files and Pipes
directing to pipes: sed & awk, 10.5.1. Directing Output to a Pipe
formatting (awk): sed & awk, 7.9. Formatted Printing
formatting into columns: sed & awk, 10.6. Generating Columnar Reports
from background processes: UNIX Power Tools, 12.7. Stop Background Output with stty tostop
redirecting: UNIX Power Tools, 1.30. Redirecting Input and Output
(see also redirecting input/output)
redirecting: Learning the UNIX Operating System, 5.1. Standard Input and Standard Output
saving: sed & awk, 4.3. Testing and Saving Output
stdout: (see standard output)
suppressing
sed & awk, 2.3.2.2. Suppressing automatic display of input lines
sed & awk, 5.2. Comment
tee program: UNIX Power Tools, 13.9. Send Output Two or More Places with tee
testing: sed & awk, 4.3. Testing and Saving Output
to terminal: sed & awk, 11.2.1.4. Special filenames
UNIX, reading into files: Learning the vi Editor, 7.2. Executing UNIX Commands
output device, specifying: UNIX Power Tools, 50.12. Common UNIX Error Messages
output modes, setting: UNIX in a Nutshell, Chapter 2, Reference: stty
output processing commands (sed): UNIX in a Nutshell, 10.4.3. Input/Output Processing
output redirection operator (>>): Learning the UNIX Operating System, 5.1.1.2. The >> operator
output redirection operator (>)
Learning the UNIX Operating System, 5.1. Standard Input and Standard Output
Learning the UNIX Operating System, 5.1.1.1. The > operator
output to terminals, stopping and restarting: UNIX Power Tools, 42.2.1. Output Stopped?
overstrike mode: Learning the vi Editor, 2.3.3.4. Substituting text
overwrite mode: UNIX Power Tools, 32.5. Putting Emacs in Overwrite Mode
overwriting files
Learning the UNIX Operating System, 5.1.1.1. The > operator
UNIX Power Tools, 8.4. Command Evaluation and Accidentally Overwriting Files
ownership, file
UNIX in a Nutshell, Chapter 2, Reference: chown
Learning the UNIX Operating System, 3.1.8.1. ls
UNIX Power Tools, 22.2.1. User, Group, and World
UNIX Power Tools, 22.3. Who Will Own a New File?
BSD UNIX and: UNIX Power Tools, 22.20. Why Can't You Change File Ownership Under BSD UNIX?
changing: UNIX in a Nutshell, Chapter 2, Reference: chgrp
changing without chown command: UNIX Power Tools, 22.21. How to Change File Ownership Without chown
group: (see groups)
searching by: UNIX Power Tools, 17.16. Searching by Owner and Group
"[open mode]" message: Learning the vi Editor, 1.1.2. Problems Opening Files


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