tldr/pages/common/apropos.md

apropos

Search in manpages, for example to find a new command.

• Search for keyword:

apropos {{regular_expression}}

• Search without restricting output to terminal width:

apropos -l {{regular_expression}}

• Search for pages that only contain all of the expressions given (AND search):

apropos {{regular_expression_1}} -a {{regular_expression_2}} -a {{regular_expression_3}