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Index: O

-odq option, sendmail: 9.4.2. Mail Queue (CGI Programming with Perl)
obase keyword: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
object files: 13.1.1. Quick Overview (Running Linux)
13.2. Makefiles (Running Linux)
(see also makefiles)
generating: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
profile data: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
size of: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
symbol table for: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
object-oriented applications: 8.2. Data Processing (MySQL & mSQL)
object-oriented C++: 13.1. The Two APIs (MySQL & mSQL)
object-oriented database management systems (OODBMS): 6.1.1. The SQL Story (MySQL & mSQL)
object-oriented databases: 7.2.5. Objects (MySQL & mSQL)
object-oriented syntax, CGI.pm module: 5.1.3. Standard and Object-Oriented Syntax (CGI Programming with Perl)
object-relational database management systems (ORDBMS): 6.1.1. The SQL Story (MySQL & mSQL)
object/relational modeling: 8.3. Object/Relational Modeling (MySQL & mSQL)
objects
CGI.pm
error messages for: 5.2.4. File Uploads with CGI.pm (CGI Programming with Perl)
$q prefix: 5.1.3. Standard and Object-Oriented Syntax (CGI Programming with Perl)
Document Object Model, defining for HTML and XML documents: 7.1.1. History (CGI Programming with Perl)
HTML::Template, importing parameters from CGI.pm: 6.3.1. Syntax (CGI Programming with Perl)
Perl, DBM files, storing as: 10.2.2. MLDBM (CGI Programming with Perl)
printing HTTP headers in error handling: 5.5.3. Error Subroutines (CGI Programming with Perl)
WDDX, interpreting with JavaScript: 7.3.2. Example (CGI Programming with Perl)
obtaining
Dosemu, xdos emulators: 12.2.2. Getting Dosemu and xdos (Running Linux)
FreeBSD Unix: 1.6. Which Unix? (Apache: The Definitive Guide)
GNOME: B.6. Getting and Installing GNOME (Running Linux)
kernel sources: A.4. General Software FTP Sites (Running Linux)
7.4.1. Obtaining Kernel Sources (Running Linux)
Linux
mail order (hard media): 2.1.1. Getting Linux via Mail Order or Other Hard Media (Running Linux)
online sources: 2.1.3. Getting Linux from Other Online Sources (Running Linux)
over Internet: 2.1.2. Getting Linux from the Internet (Running Linux)
RZSZ package: H.1. Getting RZSZ (Running Linux)
oclock program: 11.4.6. Clocks (Running Linux)
OCT( ) function: 15.1. MySQL SQL (MySQL & mSQL)
octal numbers for permissions: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
octdec( ) function: 18.1. PHP (MySQL & mSQL)
18.1. PHP (MySQL & mSQL)
OCTET_LENGTH( ) function: 15.1. MySQL SQL (MySQL & mSQL)
ODBC driver manager: 7. ODBC and the DBI (Programming the Perl DBI)
B. Driver and Database Characteristics (Programming the Perl DBI)
ODBC drivers
implementing SQL: 7.3.1. A Standard SQL Syntax (Programming the Perl DBI)
working with DBD::ODBC module: B. Driver and Database Characteristics (Programming the Perl DBI)
ODBC (Open Database Connectivity): 7. ODBC and the DBI (Programming the Perl DBI)
5.6.2.4. Programming interfaces (MySQL & mSQL)
5.6.2.4. Programming interfaces (MySQL & mSQL)
attributes and options: 7.3.4. Many Attributes and Options (Programming the Perl DBI)
combining with DBI: 7.5. The Marriage of DBI and ODBC (Programming the Perl DBI)
error codes: 7.3.2. Standard Error Codes (Programming the Perl DBI)
main features: 7.3.1. A Standard SQL Syntax (Programming the Perl DBI)
metadata functions: 7.3.3. Rich Metadata (Programming the Perl DBI)
using from Perl: 7.4. ODBC from Perl (Programming the Perl DBI)
using standard SQL: 7.3.1. A Standard SQL Syntax (Programming the Perl DBI)
odbm database manager: 2.7. DBM Files and the BerkeleyDatabase Manager (Programming the Perl DBI)
ODBM_File module: 2.7. DBM Files and the BerkeleyDatabase Manager (Programming the Perl DBI)
O_EXLOCK flag: 2.7.2. Locking Strategies (Programming the Perl DBI)
of variable (printcap): 8.4.5.3. The rest of the printcap variables (Running Linux)
offsets, superblock: 8.6.1. Repairing Filesystems (Running Linux)
<ol> HTML tag: 16.1.4.6. More HTML features (Running Linux)
old-GNOME project: B.2. A Brief History of the GNOME Project (Running Linux)
ON keyword: 6.8.1. MySQL Features (MySQL & mSQL)
onChange handler (JavaScript)
assigning multiple statements to: 7.2.1.1. Validating elements (CGI Programming with Perl)
filed validation functions, calling: 7.2.1.3. Validation example (CGI Programming with Perl)
validating HTML form elements: 7.2.1.1. Validating elements (CGI Programming with Perl)
onCheck attribute: 4.2.3.4. Checkboxes (CGI Programming with Perl)
onClick attribute
image buttons: 4.2.3.8. Image buttons (CGI Programming with Perl)
plain buttons: 4.2.3.9. Plain buttons (CGI Programming with Perl)
reset buttons: 4.2.3.7. Reset buttons (CGI Programming with Perl)
submit buttons: 4.2.3.6. Submit buttons (CGI Programming with Perl)
one-to-many (1-to-M) relationships: 2.2.5. Kinds of Relationships (MySQL & mSQL)
2.4. Physical Database Design (MySQL & mSQL)
one-to-one (1 to 1) relationships: 2.2.5. Kinds of Relationships (MySQL & mSQL)
one-way hashes: 5.7. Digest Authentication (Apache: The Definitive Guide)
onFocus, onBlur, and onChange attributes: 4.2.3.1. Text fields (CGI Programming with Perl)
onintr command (csh/tcsh): 8.9. Built-in csh and tcsh Commands (Linux in a Nutshell)
online documentation (see man pages)
online help: 0.1.4. Online Linux Support (Linux in a Nutshell)
3.2.2. Getting Online Help (Running Linux)
online software store (example): 8.2.5. Trusting the Browser (CGI Programming with Perl)
onSubmit handler (JavaScript): 4.2.2. The <FORM> Tag (CGI Programming with Perl)
4.2.3.6. Submit buttons (CGI Programming with Perl)
7.2.1.2. Validating submits (CGI Programming with Perl)
7.3.2. Example (CGI Programming with Perl)
open( ) function: 18.2. Lite (MySQL & mSQL)
18.2. Lite (MySQL & mSQL)
open command (ex): 11.13. Alphabetical Summary of ex Commands (Linux in a Nutshell)
open function: 15.2.3. Is It Open? (CGI Programming with Perl)
PID of child process, checking: 15.2.3. Is It Open? (CGI Programming with Perl)
special, instigating fork: 8.2.4. fork and exec (CGI Programming with Perl)
open source: 7.1. What Is "Free"? (MySQL & mSQL)
open source modules for Perl on CPAN: 1.3.1. Why Perl? (CGI Programming with Perl)
Open Source Software: 1.7. Open Source and the Philosophy of Linux (Running Linux)
open system command: 15.2.2. Check Status of System Calls (CGI Programming with Perl)
Open tables, MySQL server status: 4.4.1.4. Server status (MySQL & mSQL)
opendir( ) function: 18.1. PHP (MySQL & mSQL)
18.1. PHP (MySQL & mSQL)
open_event( ): 14.6.9.3. Event Functions (Apache: The Definitive Guide)
opening and closing tags: 14.2. An Introduction to XML (CGI Programming with Perl)
(see also closing tags)
HTML::Template commands: 6.3.1. Syntax (CGI Programming with Perl)
XML, use in: 14.2. An Introduction to XML (CGI Programming with Perl)
opening uploaded files, limiting attempts: 5.2.4. File Uploads with CGI.pm (CGI Programming with Perl)
openlog( ) function: 18.1. PHP (MySQL & mSQL)
18.1. PHP (MySQL & mSQL)
OpenProjects IRC network: 0.1.4. Online Linux Support (Linux in a Nutshell)
Opens, MySQL server status: 4.4.1.4. Server status (MySQL & mSQL)
operating systems: 1.8. Differences Between Linux and Other Operating Systems (Running Linux)
binary and text files, distinguishing: 15.2.7. Use binmode (CGI Programming with Perl)
binmode function, support for: 13.2.1.1. binmode (CGI Programming with Perl)
booting wrong one: 3.3.4.2. Problems booting Linux from the hard drive (Running Linux)
CGI scripts, differences in handling of: 1.2.2. Invoking CGI Scripts (CGI Programming with Perl)
ColdFusion language, use on: 1.3.2. Alternatives to CGI (CGI Programming with Perl)
end-of-file character, using: 15.3.3. Running Scripts from the Command Line (CGI Programming with Perl)
file names, variations in: 5.2.4. File Uploads with CGI.pm (CGI Programming with Perl)
forward slashes (/) separating directories: 12.3.1. Search Application (CGI Programming with Perl)
gcc compiler, obtaining pre-built binary of: B.1.1. Installing Modules (CGI Programming with Perl)
line endings
CGI scripts, not matching: 15.1.3. Line Endings (CGI Programming with Perl)
end-of-line characters, translating to \n: 5.2.4. File Uploads with CGI.pm (CGI Programming with Perl)
News module (example)differences in: 3.3.1.1. Outputting documents (CGI Programming with Perl)
Linux's advantages over other: 1.8. Differences Between Linux and Other Operating Systems (Running Linux)
not using newlines, calling binmode for: 3.4.1. Check the Client Browser (CGI Programming with Perl)
Perl
allowing to fork: 8.2.3. Security Strategies (CGI Programming with Perl)
speed differences in: 1.3.1. Why Perl? (CGI Programming with Perl)
storage locations on different: 15.1.2. The Pound-Bang (CGI Programming with Perl)
TrueType fonts, support of: 13.5.4. Image Processing (CGI Programming with Perl)
operators: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
-e operator: 13.5.4. Image Processing (CGI Programming with Perl)
-M operator: 6.2. Server Side Includes (CGI Programming with Perl)
12.3.1. Search Application (CGI Programming with Perl)
-T operator: 12.2. Searching One by One, Take Two (CGI Programming with Perl)
12.3. Inverted Index Search (CGI Programming with Perl)
bash shell: 7.4.1. Variable Substitution (Linux in a Nutshell)
7.5.1. Operators (Linux in a Nutshell)
bc language: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
csh and tcsh: 8.5.1. Operators (Linux in a Nutshell)
gawk scripting language: 13.5. Operators (Linux in a Nutshell)
qq// operator: 5.4.2. Here Documents (CGI Programming with Perl)
string manipulation in perl: 1.3.1. Why Perl? (CGI Programming with Perl)
ops pragma: 2.5.1. The Perl Data::Dumper Module (Programming the Perl DBI)
optcd= parameter (linux): 3.1.1. Booting Linux (Running Linux)
Optics Storage Interface CD-ROM interfaces: 3.1.1. Booting Linux (Running Linux)
optimization, LILO and: 5.2.2.1. The /etc/lilo.conf file (Running Linux)
optimization and efficiency, CGI programs: 17. Efficiency and Optimization (CGI Programming with Perl)
FastCGI, using: 17.2. FastCGI (CGI Programming with Perl)
mod_perl, using: 17.3. mod_perl (CGI Programming with Perl)
Perl techniques for: 17.1. Basic Perl Tips, Top Ten (CGI Programming with Perl)
optimization of code: 13.1.2. gcc Features (Running Linux)
13.1.5. Optimizing (Running Linux)
14.1.1. Tracing a Program (Running Linux)
OPTIMIZE statement: 15.1. MySQL SQL (MySQL & mSQL)
optional (global) option (LILO): G.1. Global Options (Running Linux)
optional (image) option (LILO): G.2. Image Options (Running Linux)
OPTIONALLY keyword: 15.1. MySQL SQL (MySQL & mSQL)
options: 12.3. Inverted Index Search (CGI Programming with Perl)
(see also options under command line)
-il options for case-insensitive searches: 12.1. Searching One by One (CGI Programming with Perl)
GET requests: 4.1. Sending Data to the Server (CGI Programming with Perl)
POST requests: 4.1. Sending Data to the Server (CGI Programming with Perl)
sendmail: 9.4.1. Command-Line Options (CGI Programming with Perl)
Options directive: 3.11. Options (Apache: The Definitive Guide)
disabling ExecCGI option: 1.4.1.2. Configuring by extension (CGI Programming with Perl)
Includes option: 10. Server-Side Includes (Apache: The Definitive Guide)
Options ExecCGI: 3.11. Options (Apache: The Definitive Guide)
4.2. Writing and Executing Scripts (Apache: The Definitive Guide)
Options FollowSymLinks: 3.11. Options (Apache: The Definitive Guide)
3.11.1. FollowSymLinks, SymLinksIfOwnerMatch (Apache: The Definitive Guide)
Options FollowSymLinksIfOwnerMatch: 3.11.1. FollowSymLinks, SymLinksIfOwnerMatch (Apache: The Definitive Guide)
Options IncludesNoExec: 3.11. Options (Apache: The Definitive Guide)
Options Indexes: 3.11. Options (Apache: The Definitive Guide)
Options MultiViews: 3.11. Options (Apache: The Definitive Guide)
6.2. Content Negotiation (Apache: The Definitive Guide)
Options SymLinksIfOwnerMatch: 3.11. Options (Apache: The Definitive Guide)
ScriptAlias and: 4.2. Writing and Executing Scripts (Apache: The Definitive Guide)
OR logical operator: 3.3.2. Queries and Condition Clauses (Programming the Perl DBI)
Oracle, PL/SQL programming language: 16.1.6. Separating Storage from Your Primary Code (CGI Programming with Perl)
Oracle, proprietary APIs: 14. Java and JDBC (MySQL & mSQL)
ORBit package and GNOME: 15. GNOME (Linux in a Nutshell)
ORBs (Object Request Brokers): B.5.2. The Common Object Request Broker Architecture (CORBA) (Running Linux)
ord( ) function: 18.1. PHP (MySQL & mSQL)
18.1. PHP (MySQL & mSQL)
ORDER BY clause: 3.3.4.1. Ordering data (Programming the Perl DBI)
ORDER BY column: 15.1. MySQL SQL (MySQL & mSQL)
order directive: 5.6.5. Order (Apache: The Definitive Guide)
11.3. Server Status (Apache: The Definitive Guide)
order information, sending: 11.2. Hidden Fields (CGI Programming with Perl)
ordering databases: 6.7.3. Grouping and Ordering (MySQL & mSQL)
exp: 15.1. MySQL SQL (MySQL & mSQL)
OS/2: 5.2.2. Using LILO (Running Linux)
5.2.2.1. The /etc/lilo.conf file (Running Linux)
5.2.2.2. Using LILO as a secondary boot loader (Running Linux)
mSQL support for: 5.3. Installing mSQL (MySQL & mSQL)
5.6.2.4. Programming interfaces (MySQL & mSQL)
5.6.2.4. Programming interfaces (MySQL & mSQL)
os_escape_path( ): 14.6.12. Path, Filename, and URL Manipulation Functions (Apache: The Definitive Guide)
out-of-memory errors: 3.3.1. Problems with Booting the Installation Media (Running Linux)
outer joins: 3.3.3. Queries over Multiple Tables (Programming the Perl DBI)
output: 3.1.1.3. STDERR (CGI Programming with Perl)
(see also STDERR)
alternatives to CGI.pm for generating: 5.4. Alternatives for Generating Output (CGI Programming with Perl)
binary data, binmode function for: 13.2.1.1. binmode (CGI Programming with Perl)
buffering (see buffering)
CGI programs: 3.3. CGI Output (CGI Programming with Perl)
buffering: Headers (CGI Programming with Perl) 3.3.2. Complete (Non-Parsed)
caching by browsers: 5.3.1.3. Caching (CGI Programming with Perl)
complete (non-parsed) headers: Headers (CGI Programming with Perl) 3.3.2. Complete (Non-Parsed)
embedding in other programs: 6.2.6. Executing CGI Programs (CGI Programming with Perl)
partial headers: 3.3.1. Partial Headers (CGI Programming with Perl)
SSI parsing of: 6.2. Server Side Includes (CGI Programming with Perl)
status codes and: 3.3.1.3. Specifying status codes (CGI Programming with Perl)
CGI.pm
HTML, generating with: 5.3. Generating Output with CGI.pm (CGI Programming with Perl)
HTTP headers, generating with: 5.3. Generating Output with CGI.pm (CGI Programming with Perl)
cron utility: 8.2. Scheduling Jobs Using cron (Running Linux)
echo command (bash): 7.7. Built-in Commands (Linux in a Nutshell)
errors
handling: 5.5. Handling Errors (CGI Programming with Perl)
handling with CGI::Carp module: 5.5.2. CGI::Carp (CGI Programming with Perl)
handling with error subroutines: 5.5.3. Error Subroutines (CGI Programming with Perl)
existing components, modifying with Mason: 6.5.1. A Component Approach (CGI Programming with Perl)
external applications, including in HTML documents: 6.2.1. Configuration (CGI Programming with Perl)
Mason module, modifying: 6.5.1. A Component Approach (CGI Programming with Perl)
paging through: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
printing files to stdout: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
printing filters (see filters, printing)
redirection: 7.3.6. Redirection Forms (Linux in a Nutshell)
4.9. Saving Your Output (Running Linux)
from SSI directives: 6.2.4. Tailoring SSI Output (CGI Programming with Perl)
stream, unbuffering: 15.2.6. Unbuffer Output Stream (CGI Programming with Perl)
tee command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
terminal I/O options: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
translating stdin to stdout: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
output columns, binding Perl variables: 5.4. Binding Output Columns (Programming the Perl DBI)
output to shells: 13.2. Apache's Security Precautions (Apache: The Definitive Guide)
outputting image data: 13.2. Outputting Image Data (CGI Programming with Perl)
dynamic images
in HTML: 13.2.2. Including Dynamic Images in HTML (CGI Programming with Perl)
random images, CGI script returning: 13.2.1. An Example (CGI Programming with Perl)
overlay_tables( ): 14.6.3. Table Functions (Apache: The Definitive Guide)
overrides: 5.12. Overrides (Apache: The Definitive Guide)
overriding senders email addresses: 9.4.1. Command-Line Options (CGI Programming with Perl)
Overwrite mode (Emacs): 9.2.8. Tailoring Emacs (Running Linux)
overwriting files: 4.9. Saving Your Output (Running Linux)
8.1. Making Backups (Running Linux)
owd variable (csh/tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)
ownership, file (see permissions)
3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
4.13. File Ownership and Permissions (Running Linux)


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