Function: echo
This tool belongs to the Gorilla file system. It is a simple file system that allows users to perform basic file operations such as navigating directories, creating files and directories, reading and writing to files, etc. Tool description: Write content to a file at current directory or display it in the terminal.
Parameters: content: type: string
description: The content to write or display.
file_name: type: string
description: The name of the file at current directory to write the content to. Defaults to None. 
default: None
Required parameters: content
Response: terminal_output: type: string
description: The content if no file name is provided, or None if written to file.