xh:tldr:170dc

This command is not directly recognizable as a valid command because it appears to be a combination of multiple commands or placeholders. However, it seems to include elements from the cURL command-line tool syntax.

To provide a general explanation:

1. xh is not a standard command. It might be referencing a specific tool or an undefined command.

2. get represents an HTTP method used to retrieve information from a server. It is a common method used to retrieve resources via HTTP.

3. "${httpbin-org-get}" is likely a placeholder for a URL, representing the endpoint from which the information will be retrieved. The actual URL should be specified instead of this placeholder.

4. "${header-name:header-value}" is also a placeholder, likely representing the desired headers to be included in the HTTP request. The actual header name and value should be provided instead of this placeholder.

Therefore, without more context or a specific tool named xh, it is difficult to provide a detailed explanation of this command.