Below is the list of some of the important search commands in Splunk:  Erex: It allows us to specify example or counter-example values to automatically extract fields that have similar values.  Abstract: Produces a summary of each search result.  Typer: Calculates the event types for the search results.  Rename: This is used to rename a specified field; wildcards can be used to specify multiple fields.  Anomalies: It Computes an "unexpectedness" score for an event.  Filldown: Fill down replaces NULL values with the last non-NULL value.  Accum: It keeps a running total of the specified numeric field.  Add totals: Computes the sum of all numeric fields for each result.  from: It retrieves data from a dataset, such as a data model dataset, a CSV lookup, a KV Store lookup, a saved search, or a table dataset.  Concurrency: Uses a duration field to find the number of "concurrent" events for each event.  chart: Chart returns results in a tabular output for charting.   uniq: Removes any search that is an exact duplicate of a previous result.  where: where performs arbitrary filtering on your data.