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# Index: V

-v flag, getting perl version: 15.1.2. The Pound-Bang (CGI Programming with Perl)
v command (ex): 11.13. Alphabetical Summary of ex Commands (Linux in a Nutshell)
-V flag (httpd/apache): 2.2. Apache's Flags (Apache: The Definitive Guide)
vacation command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
validating
  email addresses: 9.2. Email Addresses (CGI Programming with Perl)
    9.2.1. Validating Syntax (CGI Programming with Perl)
  form input
    CGI scripts, re-validating client data with: 7.2.1.4. Validating twice (CGI Programming with Perl)
    elements: 7.2.1.1. Validating elements (CGI Programming with Perl)
    example: 7.2.1.3. Validation example (CGI Programming with Perl)
    formLib.js file: 7.2.1.3. Validation example (CGI Programming with Perl)
    input_validation.html file: 7.2.1.3. Validation example (CGI Programming with Perl)
    JavaScript, improving with: 7.2.1. Input Validation (CGI Programming with Perl)
    submits: 7.2.1.2. Validating submits (CGI Programming with Perl)
      7.2.1.3. Validation example (CGI Programming with Perl)
  input data: 8.3. Encryption (CGI Programming with Perl)
  XML data
    DTDs, using: 14.2. An Introduction to XML (CGI Programming with Perl)
    parsers, providing rules for: 14.3. Document Type Definition (CGI Programming with Perl)
    separating rules from the parser: 14.3. Document Type Definition (CGI Programming with Perl)
VALUE attribute: 4.2.3. The <INPUT> Tag (CGI Programming with Perl)
  checkboxes: 4.2.3.4. Checkboxes (CGI Programming with Perl)
  hidden fields: 4.2.3.3. Hidden fields (CGI Programming with Perl)
  image buttons: 4.2.3.8. Image buttons (CGI Programming with Perl)
  plain buttons: 4.2.3.9. Plain buttons (CGI Programming with Perl)
  radio buttons: 4.2.3.5. Radio 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)
  tag: 4.2.4.1. The <OPTION> tag (CGI Programming with Perl)
  text fields: 4.2.3.1. Text fields (CGI Programming with Perl)
valueOf( ) method: 22. JDBC Reference (MySQL & mSQL)
  22. JDBC Reference (MySQL & mSQL)
  22. JDBC Reference (MySQL & mSQL)
values, packing into strings: 2.7.3.2. Packing in Perl objects (Programming the Perl DBI)
var attribute (SSI): 6.2.3. Environment Variables (CGI Programming with Perl)
/var directory: 4.16. Important Directories (Running Linux)
  /var/log/lastlog file: 8.3. Managing System Logs (Running Linux)
  /var/log/messages: 15.1.3.8. Trying out your network (Running Linux)
  /var/log/utmp file: 8.3. Managing System Logs (Running Linux)
  /var/log/wtmp file: 8.3. Managing System Logs (Running Linux)
.var files (see type maps)
/var/spool directory: 4.16. Important Directories (Running Linux)
  8.4.5.3. The rest of the printcap variables (Running Linux)
  8.4.10.1. Setting up printer directories (Running Linux)
  /var/spool/cron directory: 8.2. Scheduling Jobs Using cron (Running Linux)
  /var/spool/lpd directory: 9.5. Printing (Running Linux)
  /var/spool/news directory: 16.2.1.4. smail EDITME file (Running Linux)
  /var/spool/smail directory: 16.2.1.4. smail EDITME file (Running Linux)
    16.2.3.2. Mail system maintenance (Running Linux)
VARBINARY datatype: 15.1. MySQL SQL (MySQL & mSQL)
VARCHAR BINARY datatype: 6.3.3. Binary Datatypes (MySQL & mSQL)
VARCHAR character datatype: 3.2. Datatypes and NULL Values (Programming the Perl DBI)
  6.1.7. Statement Handle Attributes or Statement Metadata (Programming the Perl DBI)
VARCHAR datatype: 6.3.2.1. Variable-length character fields in MySQL (MySQL & mSQL)
  6.3.2.1. Variable-length character fields in MySQL (MySQL & mSQL)
  15.1. MySQL SQL (MySQL & mSQL)
variable-length datatype: 6.3.2. Character Types (MySQL & mSQL)
variable storage address: 14.1.5. Getting Information (Running Linux)
variables: 1.2. Introduction to CGI (CGI Programming with Perl)
  (see also environment variables)
  bash shell and: 7.4. Variables (Linux in a Nutshell)
  bracket pairs enclosing in Embperl: 6.4.2.1. Embperl code blocks (CGI Programming with Perl)
  capitalization of, coding style guide: 16.2. Coding Guidelines (CGI Programming with Perl)
  csh and tcsh: 8.4. Variables (Linux in a Nutshell)
  declarations
    strict mode, using: 15.2.1. Use strict (CGI Programming with Perl)
  declaring and reducing number of global: 1.2.1. Sample CGI (CGI Programming with Perl)
  dumping to browser for testing: 15.3.4. Dumping Variables (CGI Programming with Perl)
  environment (see environment variables)
  gawk scripting language: 13.4. gawk System Variables (Linux in a Nutshell)
    13.6. Variable and Array Assignments (Linux in a Nutshell)
  global, declaring with use vars statement: 10.4.2.2. Address book CGI script (CGI Programming with Perl)
  JavaScript, case sensitivity: 7.4.1. Bookmarklet Basics (CGI Programming with Perl)
  local bracket pair, enclosing in Embperl: 6.4.2.1. Embperl code blocks (CGI Programming with Perl)
  localizing with my function: 17.1.3. Localize Variables with my (CGI Programming with Perl)
  mod-perl and: 17.3.2. mod_perl Considerations (CGI Programming with Perl)
  scope, code blocks enclosed in bracket pairs: 6.4.2.2. Variable scope (CGI Programming with Perl)
  separation into packages: 5.1.3. Standard and Object-Oriented Syntax (CGI Programming with Perl)
  shell (see shell variables)
  strict rules for, using: 1.2.1. Sample CGI (CGI Programming with Perl)
  strict types, Perl lacking requirement for: 1.3.1. Why Perl? (CGI Programming with Perl)
variables command: 4.4.1.6. Command line options for mysqladmin (MySQL & mSQL)
  17.1. MySQL Utilities (MySQL & mSQL)
variables, environment: 4.6. Setting Environment Variables (Apache: The Definitive Guide)
  access control: 5.6.2. Allow from env (Apache: The Definitive Guide)
  browsers and: 4.6.4. Browsers (Apache: The Definitive Guide)
variables, printing: 4.4. Useful Scripts (Apache: The Definitive Guide)
  10. Server-Side Includes (Apache: The Definitive Guide)
  10.5. Echo (Apache: The Definitive Guide)
Vdb API: 5.6.2.4. Programming interfaces (MySQL & mSQL)
Vdb-dflts API: 4.5.2.4. Programming interfaces (MySQL & mSQL)
verbose= option (LILO): G.1. Global Options (Running Linux)
verbose variable (csh/tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)
verifymsg file (CVS): 14.3.3.16. The verifymsg file (Linux in a Nutshell)
VERSION( ) function: 15.1. MySQL SQL (MySQL & mSQL)
version command: 4.4.1.6. Command line options for mysqladmin (MySQL & mSQL)
  17.1. MySQL Utilities (MySQL & mSQL)
  17.2. mSQL Utilities (MySQL & mSQL)
version command (ex): 11.13. Alphabetical Summary of ex Commands (Linux in a Nutshell)
version control
  CVS utility: 14. CVS and RCS (Linux in a Nutshell)
  RCS utility: 14.5. The RCS Utility (Linux in a Nutshell)
VERSION function: 21.3. Msql.pm API (MySQL & mSQL)
version numbers for Linux: 1.4.1. A Note on Linux Version Numbers (Running Linux)
  7.4. Building a New Kernel (Running Linux)
version strings: 2.3.1. The Request Line (CGI Programming with Perl)
version variable (csh/tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)
versions: 7.2. Upgrading Software (Running Linux)
  (see also upgrading software)
  Apache: 0. Preface (Apache: The Definitive Guide)
    1.7. Which Apache? (Apache: The Definitive Guide)
  CGI.pm module: 5.1. Overview (CGI Programming with Perl)
  displaying information on: 7.4.2. Building the Kernel (Running Linux)
  HTTP, forcing to 1.0: 4.6.5.2. force-response-1.0 (Apache: The Definitive Guide)
  Per modules, storing in $VERSION: 5.5.4. Custom Module (CGI Programming with Perl)
  Perl, checking with -v option: 5.1. Overview (CGI Programming with Perl)
  protocols in HTTP response headers: 2.4.1. The Status Line (CGI Programming with Perl)
  SOCKS: 1.8.4. Configuration Settings and Rules (Apache: The Definitive Guide)
  Unix: 1.6. Which Unix? (Apache: The Definitive Guide)
  version rollback attacks: D.1.2. Version Rollback Attacks (Apache: The Definitive Guide)
| (vertical bar): 4.9. Saving Your Output (Running Linux)
vertical bar (|): 4.9. Saving Your Output (Running Linux)
VESA monitor timings: 10.4. Configuring XFree86 (Running Linux)
VFAT filesystems/partitions: 12.1. Sharing Files (Running Linux)
  mounting: 12.1.1. Mounting DOS, VFAT, and NTFS Partitions (Running Linux)
VFS error: 3.3.1. Problems with Booting the Installation Media (Running Linux)
vga= boot-time option: 5.2.2.3. Specifying boot time options (Running Linux)
vga modes: 5.2.2.1. The /etc/lilo.conf file (Running Linux)
  5.2.2.3. Specifying boot time options (Running Linux)
vga= option: G.3. Kernel Options (Running Linux)
VGA16 server: 10.2. Hardware Requirements (Running Linux)
vi command (ex): 11.13. Alphabetical Summary of ex Commands (Linux in a Nutshell)
vi editor: 1.4. What This Book Offers (Linux in a Nutshell)
  3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
  11. The vi Editor (Linux in a Nutshell)
  1.5.1. Basic Commands and Utilities (Running Linux)
  9.1. Editing Files Using vi (Running Linux)
  clones of (easier to use): 9.1. Editing Files Using vi (Running Linux)
  extending: 9.1.12. Extending vi (Running Linux)
  metacharacters for: 9.2. Metacharacters, Listed by Linux Program (Linux in a Nutshell)
  setting up: 11.14. vi Configuration (Linux in a Nutshell)
vi mode (csh/tcsh): 8.7.5.2. vi mode (Linux in a Nutshell)
vi-style commands: 7.3.3. Command-line Editing (Linux in a Nutshell)
video cards: 1.9.5. Monitor and Video Adapter Requirements (Running Linux)
  10.2. Hardware Requirements (Running Linux)
  10.5. Filling in Video Card Information (Running Linux)
video issues with LinuxPPC: D.6.3. LinuxPPC 4.0 and 4.1 Video Issues (Running Linux)
vidmode command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
View Source option: 11.2. Hidden Fields (CGI Programming with Perl)
viewer, Perl documentation: B.2. perldoc (CGI Programming with Perl)
ViewPort option (XF86Config): 10.4. Configuring XFree86 (Running Linux)
viewports, GNOME: 15.1. Desktop Overview (Linux in a Nutshell)
  15.4.8.7. Workspaces (Linux in a Nutshell)
  Sawfish workspaces and: 15.4.8.7. Workspaces (Linux in a Nutshell)
vim editor: 9.1. Editing Files Using vi (Running Linux)
virtual
  consoles: 4.3. Virtual Consoles (Running Linux)
    5.3.3. rc files (Running Linux)
    8.5. Setting Terminal Attributes (Running Linux)
  devices: 8.4.11. Exercising the Printer Daemon (Running Linux)
  filesystem: 6.1.1. Filesystem Types (Running Linux)
  RAM (see swap space)
  services (Samba): 12.1.3.2. Configuring Samba (Running Linux)
virtual( ) function: 18.1. PHP (MySQL & mSQL)
  18.1. PHP (MySQL & mSQL)
virtual attribute (include command): 10.4. Execute CGI (Apache: The Definitive Guide)
virtual cash: 13.3. Binary Signatures, Virtual Cash (Apache: The Definitive Guide)
virtual desktops
  fvwm: 11.2. The fvwm Window Manager (Running Linux)
  15.4.9.6. Backgrounds (Linux in a Nutshell)
  Enlightenment window manager: 15.4.9.2. Desktops (Linux in a Nutshell)
  GNOME: 15.1. Desktop Overview (Linux in a Nutshell)
  KDE: 16.2.1. The Desktop Pager and Window List (Linux in a Nutshell)
    16.3.1.4. Panel (Linux in a Nutshell)
virtual hosts: 1.2. What to Know About TCP/IP (Apache: The Definitive Guide)
  3.1. More and Better Web Sites: site.simple (Apache: The Definitive Guide)
  3.6. Controlling Virtual Hosts on Unix (Apache: The Definitive Guide)
  3.8. Virtual Hosts (Apache: The Definitive Guide)
  3.9. Two Copies of Apache (Apache: The Definitive Guide)
  (see also multiple copies of Apache)
  Unix: 3.6. Controlling Virtual Hosts on Unix (Apache: The Definitive Guide)
  Win32: 3.7. Controlling Virtual Hosts on Win32 (Apache: The Definitive Guide)
Virtual option (XF86Config): 10.4. Configuring XFree86 (Running Linux)
virtual paths: 1.4.1.1. Configuring by directory (CGI Programming with Perl)
virtual screens, fvwm2: 17. An Alternative Window Manager: fvwm2 (Linux in a Nutshell)
  17.5. A Quick Tour of the fvwm Environment (Linux in a Nutshell)
virtual text wrapping: 4.2.5. The <TEXTAREA> Tag (CGI Programming with Perl)
virtual_host method: 5.2.1.7. virtual_host (CGI Programming with Perl)
viruses: 7.2.3. Upgrading Other Software (Running Linux)
visible name: 16.2.1.2. Configuring a Linux-installed smail package (Running Linux)
  16.2.1.5. The mkconfig file (Running Linux)
visiblebell variable (csh/tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)
visual command (ex): 11.13. Alphabetical Summary of ex Commands (Linux in a Nutshell)
VISUAL environment variable: 16.2.1. Environment Variables (MySQL & mSQL)
VisualBasic: 5.6.2.4. Programming interfaces (MySQL & mSQL)
viusage command (ex): 11.13. Alphabetical Summary of ex Commands (Linux in a Nutshell)
/vmlinux, /vmlinuz files: D.3.3. Installing BootX (Running Linux)
  5.2.1. Using a Boot Floppy (Running Linux)
volume manager (see fdisk utility)
Vulcan nerve pinch: 3.2.4. Shutting Down the System (Running Linux)
  5.3.3. rc files (Running Linux)
  5.5. Shutting Down the System (Running Linux)

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