brew-cask:tldr:a6063

The brew outdated --cask command is used in Homebrew to check for any outdated cask packages installed on your macOS system.

Here's a breakdown of the command:

• brew: This is the command-line interface for Homebrew, a package manager for macOS that allows you to install, update, and manage software packages on your system.
• outdated: This is a subcommand for Homebrew that lists all the outdated packages on your system. When used in combination with --cask, it specifically focuses on cask packages, which are software installations managed by Homebrew Cask.
• --cask: This is a flag that specifies that you want to check for outdated cask packages specifically. By default, the brew outdated command checks for outdated formulae (i.e., regular packages) instead of casks.

In summary, running brew outdated --cask will display a list of cask packages that have newer versions available, indicating that they can be updated.