security:tldr:d3f75

The command "security delete-keychain ${filename-keychain}" is used to delete a keychain file in macOS.

Here's a breakdown of the command:

• "security": This is a command-line utility in macOS that provides various security-related operations and tasks.
• "delete-keychain": This is a subcommand of the "security" utility used to delete an existing keychain.
• "${filename-keychain}": This is a placeholder that should be replaced with the actual filename of the keychain you want to delete. The file extension for a keychain in macOS is typically ".keychain".

To use this command, you need to open a terminal in macOS and replace "${filename-keychain}" with the actual filename (including the ".keychain" extension) of the keychain that you want to delete. Then run the command, and it will delete the specified keychain file from your system.