# asdf version manager > for everything that needs a version manager ## Commands #### Install verison 1.2.3 of xyz ``` asdf install xyz 1.2.3 --name 1.0.0-erl-17.3 ``` #### Uninstall version 1.2.3 of xyz ``` asdf uninstall xyz 1.2.3 ``` #### List installed versions of xyz ``` asdf list xyz ``` #### List all available versions of xyz ``` asdf list xyz --all ``` #### Add a tool ``` asdf add elixir HashNuke/asdf-elixir ``` #### List all tool sources added ``` asdf list ``` #### erlang 17.3 1.0.0-erl-17.3 asdf depend elixir 1.0.0 on java 1.0