Netscape Enterprise Server Agent Services allows you to use server agents to monitor server files and directories (folders). Agents act as watchdogs for you, performing a user-specified task when a specific event occurs or a specified time is reached. For example, you could set up an agent to notify you when a specific URL has been updated. The notification could be an email message or a post to a newsgroup.
An agent is stored on the server, so you must be connected to the server when you create a new agent. After you create an agent, you can disconnect from the server. The agent resides on the server until it expires or you delete it.
There are 4 types of agents: