cheat sheets.

Cheat Sheet Title: [ no_spaces_alphanumeric_only ]

Cheat Sheet:
Install a gem gem install [gem name] Update to latest Rubygems (if any): gem update --system Search for a gem: gem query --remote --name [regular expession] Get list of outdated gems and update as necessary: gem outdated Clean up outdated gems: gem clean List installed gems by last access time: gem stale Current Local Gem Repository: gem environment or ruby -rrubygems -e"puts Gem.path" Discover Dependency for a Gem: gem dependency [gem name] Don't generate Ri and RDoc when installing gems: gem install [gem name] --no-ri --no-rdoc to set this as default behavior: echo "gem: --no-ri --no-rdoc" >> ~/.gemrc Uninstalling: gem uninstall [gem name] if that fails with something like: ERROR: While executing gem ... (Gem::InstallError) Unknown gem [gem name] then do this... gem list -d [gem name] gem uninstall --install-dir [install directory] [gem name] Add a repository for remote gems: gem sources -a [repository url]

Your cheat sheet will be editable (fixable) by anyone. Each cheat sheet is essentially a wiki page. It may also be used by millions of people for reference purposes from the comfort of their command line. If this is okay with you, please save.