Index

[SYMBOL] [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]

ucfirst function
uc function
-u $file
uid
umask function
undef function 2nd 3rd
Unicode
Unicode Consortium
Uniform Resource Locators [See URLs (Uniform Resource Locators).]
UNIVERSAL class
UNIVERSAL method
UNIX
    commands [See commands.]
     database servers
     directories 2nd
     domains
     files 2nd
     hard and soft links
     kernels
     passwords
     permissions
     processes
         creating
         environments
     scripts
     scripts, startup
     sendmail program
     sockets
unless constructs
unless modifiers
unless statements
unlink function 2nd
unmask function
unnamed methods, calling
unpack function 2nd
unpacking data
unshift function 2nd
untie function 2nd
until loops
until modifiers
UPDATE command
updating
     entries
     tables
updir function
URLs (Uniform Resource Locators)
     hex-encoded characters
USE command
"useDBI" statement
use function
     modules and pragmas
use keyword
User Datagram Protocol (UDP)
user-defined filehandles
user-defined functions [See subroutines.]
user-defined subroutines
user/driver program
UTF8/UTF16 Unicode support
utime function 2nd