# posh > Gems documentation browser for Ruby developers. > More information: . - Download documentation to your machine (run inside a Ruby project) and print full sync report: `posh sync --full` - Start the interactive documentation browser for the current project: `posh` - Clear all docsets from your machine: `posh clear` - Generate the autocompletion script for your shell: `posh completion {{bash|fish|powershell|zsh}}` - Display help: `posh {{[-h|--help]}}` - Display help for a specific subcommand: `posh {{subcommand}} {{[-h|--help]}}`