# perlbrew > Manage Perl installations in the home directory. > See also: `asdf`. > More information: . - Initialize a `perlbrew` environment: `perlbrew init` - List available Perl versions: `perlbrew available` - Install/uninstall a Perl version: `perlbrew {{install|uninstall}} {{version}}` - List perl installations: `perlbrew list` - Switch to an installation and set it as default: `perlbrew switch perl-{{version}}` - Use the system Perl again: `perlbrew off` - List installed CPAN modules for the installation in use: `perlbrew list-modules` - Clone CPAN modules from one installation to another: `perlbrew clone-modules {{source_installation}} {{destination_installation}}`