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packet writing (DVD burning)
PAM (Pluggable Authentication Modules)
Pan news client
parted command, Ubuntu installation
partitions
     notebooks
     Ubuntu installation 2nd 3rd
passive command
passwd command 2nd
passwd files
passwords
     /etc/passwd fil
     batches, changing in
     bootloaders
     brute-forcing
     FTP users
     GRUB
     LDAP root users, assigning to
     MySQL root users
     PostgreSQL database users, creating
     remote computer logins
     security
     shadow 2nd
     system password policies
     Ubunbtu installation
     usernames
patch command
patch utility
patched kernels
patches (network security)
PATH (shell environment variable)
pattern-matching [See also wildcard searches.]
.pbm graphics file format
pci=biosirg command, hard disk optimization
PCMCIA
PCRE (Perl-Compatible Regular Expressions)
pcregrep utility
.pcx graphics file format
.pdf file format, reading HOWTO documents in
pdksh shell
     comparison of expression
         file comparisons
         logical comparisons
         number comparisons
         string comparisons
     select statements
     test command
         file comparisons
         logical comparisons
         number comparisons
         string comparisons
PEAR::DB (PHP)
Penggy website, AOL service
performance tuning
     Apache Server
     file systems
     GNOME desktop environment
     hard disks
         benchmarks
         BIOS adjustments
         file system adjustments
         hdparm command
     KDE desktop environment
     Linux kernel
     MySQL
         measuring key buffer usage
         query caches
         query optimization
         read buffers
         table caches
     SQL statements
Perl
     appeal of
     code examples
         command-line processing
         one-liners
         posting to Usenet
         purging logs
         sending email
     command-line errors
     conditional statements
     development of
     functions
         die
         use
     looping constructs
     modules
         installing CPAN modules
         Mail::Sendmail
         standard modules list, accessing
     operators
     perldoc command
     perlfunc document, accessing
     regular expressions
     sendmail command
     shebang (#!)
     shell access
     simple programming example
     string constants
     system logging
     variables
     versions of
perlcc (Perl compiler)
perldoc (Perl documentation reader utility)
perldoc command
perlfunc document
permission control directives (ftpaccess configuration file), Wu-FTPd server configuration
permissions
     assigning
     directories
     file
         access, changing via chmod shell command
         changing
         user accounts
         viewing default
     FTP users, assigning for
     OpenLDAP files
     SGID
     SUID
     user, assigning to root accounts
pg_ctl command (PostgreSQL)
pgaccess command (PostgreSQL)
.pgm graphics file format
Photoshop versus GIMP
PHP (PHP Hypertext Preprocessor)
     arrays 2nd
     backreferencing
     comments
     conditional statements
     constants
     development of
     dynamic content in Apache Server
     entering/exiting
     escape sequences
     functions
         array
         file
         isset()
         string
         unset()
         var dump()
     HTML forms, handling
     include keyword
     loops
     manual page URL
     operators
         execution operators
         list of
         ternary operators
     PCRE functions
     PEAR::DB (PHP)
     references
     resources
     strings
         defining
         functions
         variable substitution
     switch/case blocks
     variables
         arrays
         resources
         types of
         variable substitution
phpgroupware
phpLDAPadmin administration tool
PHProjekt
physical security
PID (process ID)
     console-based monitoring
     Squid proxy server
pine directory format (email)
pipes (|)
     bar operators
     double pipe (||)
         number comparison operators
         string concatenation function
Planner project management program (GNOME Office) 2nd
pmake command
.png graphics file format
.pnm graphics file format
poff command, disconnecting dial-up connections
pointing device techniques (virtual consoles)
pon command, configuring dial-up connections manually
POP (Post Office Protocol)
ports
     TCP/IP
     uplink
positional arguments
positional parameters
Postfix MTA (mail transport agent)
     configuring
     forwarding email with aliases
     masquerading
     message delivery intervals, setting
     relaying mail
     smart hosts
PostgreSQL
     access/permission issues
     command-line client options
     data directories, initializing
     data locking website
     databases
         clients
         creating
         users, creating/deleting
     double pipe (||) string concatenation function
     installing
     MySQL comparisons
     postmaster program
     privileges, granting/revoking
     psql command-line client
     RPM distribution
     website
PostScript, reading HOWTO documents in
power management (Ubuntu)
PowerPC-based Linux distribution websites
PPC (Power PC) platforms
.ppm graphics file format
PPP (Point-to-Point Protocol), dial-up Internet connections
pppconfig command, configuring dial-up connections manually
PPPoE (Point-to-Point Protocol over Ethernet)
precompiled kernels
Preferred Applications
prefork MPM (multiprocessing module), Apache Server configuration
preg match all() PCRE function
preg match() PCRE function
preg replace() PCRE function
preinstalled Linux system vendor websites
prelogin banners
print server daemons
printcap files
printenv command, printing environment variables
printenv directive (SSI)
[printers] section (/etc/samba/smb.conf files)
printing
     adding printers to systems
     command location via top shell command
     cupsd print server daemon
     defined printers database
     disk usage via du shell command
     driver/printer support cross-reference websites
     file contents via cat shell command
     gnome-cups-manager printer configuration client 2nd
     gs client 2nd
     IPP
     jobs, defining
     last lines of files via tail shell command
     local printers 2nd
     network printers
     printer commands
     printer services
     queues, defining
     remote printers
     resource usage via top shell command
     troubleshooting
priority scheduling
privileges
     elevation of (user accounts)
         changing UID
         controlling via restricted shells
         granting root privileges on occasion
     MySQL
     PostgreSQL, granting/revoking in
/proc directory
procedural languages, database comparisons
Process Listing view (System Monitor)
processes, listing via ps shell command
Procmail MDA (mail delivery agents)
productivity suites
     GNOME Office
         AbiWord word processing program
         Balsa mail client
         Dia diagram creation program
         Evolution mail client
         GIMP
         Gnumeric spreadsheet program
         Planner project management program 2nd
     Hancome Office
     KOffice
     Office (Microsoft), OpenOffice.org compatibility
     OpenOffice.org
         Base database program
         Calc spreadsheet program 2nd
         configuring
         development of
         Draw graphics program
         Impress presentation program
         installing
         Math formula editing program
         Office (Microsoft) compatibility
         website
         Writer word processing program
     WordPerfect Office 2000
promiscuous mode (NIC) 2nd
prompt command, FTP text-based client interface
proxy servers
     defining
     Squid
         ACL
         client configuration
         configuration examples
         installing
         kill-SIGHUP command
         specifying client IP addresses
     uses of
ps shell command
psql client program, PostgreSQL database creation
psql command (PostgreSQL)
psql command-line client
purging logs, Perl coding example
put command, FTP text-based client interface
PVR (personal video recorders)
PWD (shell environment variable)
PXE (Pre-Boot Execution Environment)
Python
     asterisk (*) operator
     conditional statements
     dictionaries
     functions
     installing
     interactive interpreter
     lists
     loops
     number-handling
     OOP
     plus sign (+) operator
     scripts, executing
     standard library modules
     strings
     unofficial scripts/add-ons websites
     van Rossum, Guido