AnyDBM_File: provide framework for multiple DBMs
AutoLoader: load functions only on demand
AutoSplit: split a package for autoloading
Benchmark: benchmark running times of code
Bundle::CPAN: A bundle to play with all the other modules on CPAN
CPAN: query, download and build perl modules from CPAN sites
CPAN::FirstTime: Utility for CPAN::Config file Initialization
CPAN::Nox: Wrapper around CPAN.pm without using any XS module
carp: warn of errors (from perspective of caller)
Class::Template: struct/member template builder
Config: access Perl configuration information
getcwd: get pathname of current working directory
DB_File: Perl5 access to Berkeley DB
Devel::SelfStubber: generate stubs for a SelfLoading module
DynaLoader: Dynamically load C libraries into Perl code
English: use nice English (or awk) names for ugly punctuation variables
Env: perl module that imports environment variables
Exporter: Implements default import method for modules
ExtUtils::Embed: Utilities for embedding Perl in C/C++ applications
ExtUtils::Install: install files from here to there
ExtUtils::Liblist: determine libraries to use and how to use them
ExtUtils::MM_OS2: methods to override UN*X behaviour in ExtUtils::MakeMaker
ExtUtils::MM_Unix: methods used by ExtUtils::MakeMaker
ExtUtils::MM_VMS: methods to override UN*X behaviour in ExtUtils::MakeMaker
ExtUtils::MakeMaker: create an extension Makefile
ExtUtils::Manifest: utilities to write and check a MANIFEST file
ExtUtils::Miniperl, writemain: write the C code for perlmain.c
ExtUtils::Mkbootstrap: make a bootstrap file for use by DynaLoader
ExtUtils::Mksymlists: write linker options files for dynamic extension
ExtUtils::testlib: add blib/* directories to @INC
Fcntl: load the C Fcntl.h defines
fileparse: split a pathname into pieces
validate: run many filetest checks on a tree
File::Compare: Compare files or filehandles
File::Copy: Copy files or filehandles
find: traverse a file tree
File::Path: create or remove a series of directories
File::stat: by-name interface to Perl's built-in stat functions
FileCache: keep more files open than the system permits
FileHandle: supply object methods for filehandles
FindBin: Locate directory of original perl script
GDBM_File: Perl5 access to the gdbm library.
GetOptions: extended processing of command line options
getopt: Process single-character switches with switch clustering
I18N::Collate: compare 8-bit scalar data according to the current locale
IO: load various IO modules
IO::File: supply object methods for filehandles
IO::Handle: supply object methods for I/O handles
IO::pipe: supply object methods for pipes
IO::Seekable: supply seek based methods for I/O objects
IO::Select: OO interface to the select system call
IO::Socket: Object interface to socket communications
IPC::Open2, open2: open a process for both reading and writing
IPC::Open3, open3: open a process for reading, writing, and error handling
Math::BigFloat: Arbitrary length float math package
Math::BigInt: Arbitrary size integer math package
Math::Complex: complex numbers and associated mathematical functions
NDBM_File: Tied access to ndbm files
Net::Ping: check a remote host for reachability
Net::hostent: by-name interface to Perl's built-in gethost*() functions
Net::netent: by-name interface to Perl's built-in getnet*() functions
Net::protoent: by-name interface to Perl's built-in getproto*() functions
Net::servent: by-name interface to Perl's built-in getserv*() functions
Opcode: Disable named opcodes when compiling perl code
abs: absolute value function
alarm: schedule a SIGALRM
atan2: arctangent of Y/X
chdir: change your current working directory
chmod: changes the permissions on a list of files
chown: change the owership on a list of files
close: close file (or pipe or socket) handle
closedir: close directory handle
cos: cosine function
exit: terminate this program
exp: raise e to a power
fcntl: file control system all
fileno: return file descriptor from filehandle
fork: create a new process just like this one
getc: get the next character from the filehandle
getgrgid: get group record given group user ID
getgrnam: get group record given group name
getlogin: return who logged in at this tty
getpgrp: get process group
getppid: get parent process ID
getpwnam: get passwd record given user login name
getpwuid: get passwd record given user ID
gmtime: convert UNIX time into record or string using Greenwich time
kill: send a signal to a process or process group
link: create a hard link in the filesytem
localtime: convert UNIX time into record or string using local time
log: retrieve the natural logarithm for a number
mkdir: create a directory
open: open a file, pipe, or descriptor
opendir: open a directory
pipe: open a pair of connected filehandles
printf: output a formatted list to a filehandle
rand: retrieve the next pseudorandom number
read: fixed-length buffered input from a filehandle
readdir: get a directory from a directory handle
rename: change a filename
rewinddir: reset directory handle
rmdir: remove a directory
sin: return the sin of a number
sleep: block for some number of seconds
sprintf: formatted print into a string
sqrt: square root function
srand: seed the random number generator
stat: get a file's status information
system: run a separate program
time: return number of seconds since 1970
times: return elapsed time for self and child processes
umask: set file creation mode mask
unlink: remove one link to a file
utime: set a file's last access and modify times
wait: wait for any child process to die
waitpid: wait for a particular child process to die
write: print a picture record
Pod::Text: convert POD data to formatted ASCII text
SDBM_File: Tied access to sdbm files
Safe: Compile and execute code in restricted compartments
Search::Dict, look: search for key in dictionary file
SelectSaver: save and restore selected file handle
SelfLoader: load functions only on demand
Shell: run shell commands transparently within perl
Socket, sockaddr_in, sockaddr_un, inet_aton, inet_ntoa: load the C socket.h defines and structure manipulators
Symbol: manipulate Perl symbols and their names
Sys::Hostname: Try every conceivable way to get hostname
Sys::Syslog, openlog, closelog, setlogmask, syslog: Perl interface to the UNIX syslog calls
Term::Cap: Perl termcap interface
Term::Complete: Perl word completion module
Term::ReadLine: Perl interface to various readline packages. If no real package is found, substitutes stubs instead of basic functions.
Test::Harness: run perl standard test scripts with statistics
abbrev: create an abbreviation table from a list
Text::ParseWords: parse text into an array of tokens
Text::Soundex: Implementation of the Soundex Algorithm as Described by Knuth
Text::Tabs: expand and unexpand tabs per the unix expand and unexpand
Text::Wrap: line wrapping to form simple paragraphs
Tie::Hash, Tie::StdHash: base class definitions for tied hashes
Tie::RefHash: use references as hash keys
Tie::Scalar, Tie::StdScalar: base class definitions for tied scalars
Tie::SubstrHash: Fixed-table-size, fixed-key-length hashing
Time::Local: efficiently compute time from local and GMT time
Time::gmtime: by-name interface to Perl's built-in gmtime function
Time::localtime: by-name interface to Perl's built-in localtime function
Time::tm: internal object used by Time::gmtime and Time::localtime
UNIVERSAL: base class for ALL classes (blessed references)
User::grent: by-name interface to Perl's built-in getgr*() functions
User::pwent: by-name interface to Perl's built-in getpw*() functions
blib: Use MakeMaker's uninstalled version of a package
diagnostics: Perl compiler pragma to force verbose warning diagnostics
integer: Perl pragma to compute arithmetic in integer instead of double
less: perl pragma to request less of something from the compiler
lib: manipulate @INC at compile time
locale: Perl pragma to use and avoid POSIX locales for built-in operations
ops: Perl pragma to restrict unsafe operations when compiling
sigtrap: Perl pragma to enable simple signal handling
strict: Perl pragma to restrict unsafe constructs
subs: Perl pragma to predeclare sub names
vars: Perl pragma to predeclare global variable names