Which command is used to search for specific strings within events?

The command used to search for specific strings within events in Splunk is "search." This command is fundamental for retrieving and filtering event data based on specific keyword matches or patterns. When you use the "search" command, you can specify terms and conditions, allowing you to drill down into your data to find relevant events that meet your search criteria.

For instance, using the search command with a specific term will return all events that contain that term, helping analysts quickly locate the information they need from large datasets. This command is versatile as it allows the use of various operators and additional commands to refine searches further, making it an essential tool for effective data analysis within Splunk.

The other options do not serve as direct commands for searching specific strings within events. "Index" refers to the process of storing data in a structured format for easy retrieval, "find" is not a command used within Splunk's search language, and "lookup" is a feature used to enrich events with additional data from external sources, rather than searching for specific strings.