Firstly, the bare minimum to run this script use strict; use warnings; foreach my $f () { print("$f\n"); } in Solaris is as follows (under $Config{prefix}): ./bin/perl ./lib/perl5/5.6.1/sun4-solaris-64int/auto/DynaLoader/autosplit.ix ./lib/perl5/5.6.1/sun4-solaris-64int/auto/DynaLoader/dl_expandspec.al ./lib/perl5/5.6.1/sun4-solaris-64int/auto/DynaLoader/dl_find_symbol_anywhere.al ./lib/perl5/5.6.1/sun4-solaris-64int/auto/DynaLoader/dl_findfile.al ./lib/perl5/5.6.1/sun4-solaris-64int/auto/File/Glob/Glob.so ./lib/perl5/5.6.1/sun4-solaris-64int/auto/File/Glob/autosplit.ix ./lib/perl5/5.6.1/sun4-solaris-64int/Config.pm ./lib/perl5/5.6.1/sun4-solaris-64int/XSLoader.pm ./lib/perl5/5.6.1/sun4-solaris-64int/DynaLoader.pm ./lib/perl5/5.6.1/sun4-solaris-64int/CORE/libperl.so ./lib/perl5/5.6.1/strict.pm ./lib/perl5/5.6.1/warnings.pm ./lib/perl5/5.6.1/Carp.pm ./lib/perl5/5.6.1/Exporter.pm ./lib/perl5/5.6.1/File/Glob.pm ./lib/perl5/5.6.1/AutoLoader.pm ./lib/perl5/5.6.1/vars.pm ./lib/perl5/5.6.1/warnings/register.pm ./lib/perl5/5.6.1/Carp/Heavy.pm ./lib/perl5/5.6.1/Exporter/Heavy.pm Secondly, Debian perl-base package contains the following files, size about 1.2MB in its i386 version: /usr/share/doc/perl/Documentation /usr/share/doc/perl/README.Debian /usr/share/doc/perl/copyright /usr/share/doc/perl/AUTHORS.gz /usr/share/doc/perl/changelog.Debian.gz /usr/share/man/man1/perl.1.gz /usr/share/perl/5.6.1/AutoLoader.pm /usr/share/perl/5.6.1/Carp.pm /usr/share/perl/5.6.1/Carp/Heavy.pm /usr/share/perl/5.6.1/Cwd.pm /usr/share/perl/5.6.1/Exporter.pm /usr/share/perl/5.6.1/Exporter/Heavy.pm /usr/share/perl/5.6.1/File/Spec.pm /usr/share/perl/5.6.1/File/Spec/Unix.pm /usr/share/perl/5.6.1/FileHandle.pm /usr/share/perl/5.6.1/Getopt/Long.pm /usr/share/perl/5.6.1/IO/Socket/INET.pm /usr/share/perl/5.6.1/IO/Socket/UNIX.pm /usr/share/perl/5.6.1/IPC/Open2.pm /usr/share/perl/5.6.1/IPC/Open3.pm /usr/share/perl/5.6.1/SelectSaver.pm /usr/share/perl/5.6.1/Symbol.pm /usr/share/perl/5.6.1/Text/Tabs.pm /usr/share/perl/5.6.1/Text/Wrap.pm /usr/share/perl/5.6.1/attributes.pm /usr/share/perl/5.6.1/auto/Getopt/Long/GetOptions.al /usr/share/perl/5.6.1/auto/Getopt/Long/FindOption.al /usr/share/perl/5.6.1/auto/Getopt/Long/Configure.al /usr/share/perl/5.6.1/auto/Getopt/Long/config.al /usr/share/perl/5.6.1/auto/Getopt/Long/Croak.al /usr/share/perl/5.6.1/auto/Getopt/Long/autosplit.ix /usr/share/perl/5.6.1/base.pm /usr/share/perl/5.6.1/constant.pm /usr/share/perl/5.6.1/fields.pm /usr/share/perl/5.6.1/integer.pm /usr/share/perl/5.6.1/lib.pm /usr/share/perl/5.6.1/locale.pm /usr/share/perl/5.6.1/overload.pm /usr/share/perl/5.6.1/strict.pm /usr/share/perl/5.6.1/vars.pm /usr/share/perl/5.6.1/warnings.pm /usr/share/perl/5.6.1/warnings/register.pm /usr/bin/perl /usr/lib/perl/5.6.1/Config.pm /usr/lib/perl/5.6.1/Data/Dumper.pm /usr/lib/perl/5.6.1/DynaLoader.pm /usr/lib/perl/5.6.1/Errno.pm /usr/lib/perl/5.6.1/Fcntl.pm /usr/lib/perl/5.6.1/File/Glob.pm /usr/lib/perl/5.6.1/IO.pm /usr/lib/perl/5.6.1/IO/File.pm /usr/lib/perl/5.6.1/IO/Handle.pm /usr/lib/perl/5.6.1/IO/Pipe.pm /usr/lib/perl/5.6.1/IO/Seekable.pm /usr/lib/perl/5.6.1/IO/Select.pm /usr/lib/perl/5.6.1/IO/Socket.pm /usr/lib/perl/5.6.1/POSIX.pm /usr/lib/perl/5.6.1/Socket.pm /usr/lib/perl/5.6.1/XSLoader.pm /usr/lib/perl/5.6.1/auto/Data/Dumper/Dumper.so /usr/lib/perl/5.6.1/auto/Data/Dumper/Dumper.bs /usr/lib/perl/5.6.1/auto/DynaLoader/dl_findfile.al /usr/lib/perl/5.6.1/auto/DynaLoader/dl_expandspec.al /usr/lib/perl/5.6.1/auto/DynaLoader/dl_find_symbol_anywhere.al /usr/lib/perl/5.6.1/auto/DynaLoader/autosplit.ix /usr/lib/perl/5.6.1/auto/DynaLoader/DynaLoader.a /usr/lib/perl/5.6.1/auto/DynaLoader/extralibs.ld /usr/lib/perl/5.6.1/auto/Fcntl/Fcntl.so /usr/lib/perl/5.6.1/auto/Fcntl/Fcntl.bs /usr/lib/perl/5.6.1/auto/File/Glob/Glob.bs /usr/lib/perl/5.6.1/auto/File/Glob/Glob.so /usr/lib/perl/5.6.1/auto/File/Glob/autosplit.ix /usr/lib/perl/5.6.1/auto/IO/IO.so /usr/lib/perl/5.6.1/auto/IO/IO.bs /usr/lib/perl/5.6.1/auto/POSIX/POSIX.bs /usr/lib/perl/5.6.1/auto/POSIX/POSIX.so /usr/lib/perl/5.6.1/auto/POSIX/autosplit.ix /usr/lib/perl/5.6.1/auto/POSIX/load_imports.al /usr/lib/perl/5.6.1/auto/Socket/Socket.so /usr/lib/perl/5.6.1/auto/Socket/Socket.bs