You can list installed perl modules using the below command

 

 instmodsh

Available commands are:
 l - List all installed modules
 m <module> - Select a module
 q - Quit the program
cmd? l

Installed modules are:
Acme::Spork
AppConfig
Archive::Tar
Archive::Tar::Streamed
Archive::Zip
Authen::Libwrap
BSD::Resource
Business::OnlinePayment
Business::OnlinePayment::AuthorizeNet
Business::UPS
CDB_File
CPAN
CPAN::DistnameInfo
CPAN::SQLite
Carp
Class::Accessor
Class::ErrorHandler
Class::Inner
Class::Inspector
Class::Load
Class::Singleton
Class::Std
Class::Std::Utils
Clone
Compress::Bzip2
Compress::Raw::Bzip2
Compress::Raw::Zlib
Convert::ASN1
Crypt::GPG
Crypt::OpenSSL::RSA
Crypt::OpenSSL::Random
Crypt::Passwd::XS
Crypt::PasswdMD5
Crypt::RC4
Crypt::SSLeay
Curses
Curses::UI
Cwd
DBD::SQLite2
DBD::mysql
DBI
DBIx::MyParsePP
Data::Dump
Data::Dumper
Data::MessagePack
Data::OptList
Date::Parse
DateTime
DateTime::Locale
DateTime::TimeZone
Devel::Symdump
Digest::HMAC
Digest::MD5
Digest::MD5::File
Digest::Perl::MD5
Digest::SHA
Digest::SHA1
Dist::CheckConflicts
Email::Address
Email::Date::Format
Email::MIME
Email::MIME::ContentType
Email::MIME::Encodings
Email::MessageID
Email::Simple
Email::Valid
Encode::Detect
Encode::Locale
Error
Expect
ExtUtils::CBuilder
ExtUtils::MakeMaker
File::Find::Rule
File::Find::Rule::Filesys::Virtual
File::HomeDir
File::Listing
File::MMagic::XS
File::NFSLock
File::Path::Tiny
File::Slurp
File::Tail
File::Temp
File::Touch
File::Which
Filesys::Df
Filesys::Statvfs
Filesys::Virtual
Filesys::Virtual::Plain
GD
GD::Graph
GD::Text
Geo::IPfree
Geography::Countries
Getopt::Param::Tiny
GnuPG
Graph::Easy
Graph::Flowchart
HTML::StripTags
HTML::Template
HTTP::Cookies
HTTP::Daemon
HTTP::Daemon::App
HTTP::Daemon::SSL
HTTP::Date
HTTP::Message
HTTP::Negotiate
IO::Compress
IO::HTML
IO::Interactive::Tiny
IO::SessionData
IO::Socket::ByteCounter
IO::Socket::INET6
IO::Socket::SSL
IO::Stringy
IO::Tty
IO::Zlib
IP::Country
IPC::Pipeline
IPC::Run
IPC::Run3
Image::Size
JSON::XS
LWP
LWP::MediaTypes
LWP::Protocol::https
Lchown
Linux::Inotify2
List::Cycle
List::MoreUtils
Locale-Maketext
Locale::Maketext::Utils
Locales
Log::Log4perl
MD5
MIME::Lite
MIME::Types
MLDBM
Mail
Mail::Alias::Reader
Mail::DKIM
Mail::DomainKeys
Mail::SPF
Mail::SRS
Mail::SpamAssassin
Math::Base85
Math::BigInt
Math::Fibonacci
Math::Fibonacci::Phi
Module::Build
Module::Implementation
Module::Metadata
Module::Runtime
Module::Want
Mozilla::CA
MySQL::Diff
Net
Net::AIM
Net::DAV::Server
Net::DNS
Net::DNS::Resolver::Programmable
Net::Daemon
Net::Daemon::SSL
Net::FTPSSL
Net::HTTP
Net::HTTPS::Any
Net::HTTPTunnel
Net::IDN::Encode
Net::IP::Match::Regexp
Net::IPv4Addr
Net::LDAP
Net::LDAP::Server
Net::LibIDN
Net::OSCAR
Net::SNMP
Net::SOCKS
Net::SSLeay
Net::Server
NetAddr::IP
Number::Compare
OLE::Storage_Lite
Package::Stash
Package::Stash::XS
Params::Util
Params::Validate
Parse::CPAN::Meta
Parse::RecDescent
Perl
Perl::OSType
Probe::Perl
Proc::Daemon
Quota
Regexp::Assemble
SOAP::Lite
SQL::Statement
SVG::TT::Graph
Safe::Hole
Set::Crontab
Socket6
Spreadsheet::ParseExcel
Spreadsheet::WriteExcel
String::CRC32
Sub::Install
Sub::Uplevel
Sys::Hostname::Long
Sys::Mmap
Task::Cpanel::Core
Task::Weaken
Template
Term::ReadKey
Term::ReadLine
Test::Carp
Test::Deep
Test::Exception
Test::Fatal
Test::Harness
Test::NoWarnings
Test::Requires
Test::Script
Test::Simple
Test::Tester
Test::Unit
Test::Warn
Text::CSV
Text::CSV_XS
Text::Glob
Tie::DBI
Tie::IxHash
Tie::ShadowHash
Tree::DAG_Node
Tree::MultiNode
Try::Tiny
Types::Serialiser
URI
Unix::PID
Unix::PID::Tiny
WWW::RobotRules
Web::Detect
XML::LibXML
XML::NamespaceSupport
XML::Parser
XML::SAX
XML::SAX::Base
XML::SAX::Expat
XML::Simple
XML::Writer
YAML
YAML::Syck
cPanel::MemTest
common::sense
lib::restrict
local::lib
version
cmd?