brew ls  [formula...]
List all installed formulae
Arguments
Options
| Name | Description | 
|---|
| -d, --debug | Display any debugging information | 
| -q, --quiet | Make some output more quiet | 
| -v, --verbose | Make some output more verbose | 
| -h, --help | Show help message | 
| --formula | List only formulae, or treat all named arguments as formulae | 
| --cask | List only casks, or treat all named arguments as casks | 
| --unbrewed | List files in Homebrew's prefix not installed by Homebrew. (disabled; replaced by brew --prefix --unbrewed) | 
| --full-name | Print formulae with fully-qualified names. Unless --full-name, --versions or | 
| --pinned | List only pinned formulae, or only the specified (pinned) formulae if formula are provided | 
| --versions | Show the version number for installed formulae, or only the specified formulae if formula are provided | 
| --multiple | Only show formulae with multiple versions installed | 
| --pinned | List only pinned formulae, or only the specified (pinned) formulae if formula are provided | 
| -1 | Force output to be one entry per line. This is the default when output is not to a terminal | 
| -l | List formulae and/or casks in long format. Has no effect when a formula or cask name is passed as an argument | 
| -r | Reverse the order of the formulae and/or casks sort to list the oldest entries first. Has no effect when a formula or cask name is passed as an argument | 
| -t | Sort formulae and/or casks by time modified, listing most recently modified first. Has no effect when a formula or cask name is passed as an argument |