# apropos > Search the manual pages for names and descriptions. > More information: . - Search for a keyword using a regular expression: `apropos {{regular_expression}}` - Search without restricting the output to the terminal width: `apropos -l {{regular_expression}}` - Search for pages that contain all the expressions given: `apropos {{regular_expression_1}} -a {{regular_expression_2}} -a {{regular_expression_3}}`