apropos:tldr:dd548

apropos: Search without restricting the output to the terminal width.

apropos

$ apropos -l ${regular_expression}

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The "apropos -l" command is used to search and display a list of manual page descriptions related to a specific keyword or regular expression.

Here is a breakdown of the command:

"apropos": This is the name of the command itself.
"-l": It is an option or flag that stands for "long" format. When used with "apropos," it causes the command to display more detailed information about the matching manual pages.
"${regular_expression}": This is a placeholder indicating where you should provide a regular expression that represents a keyword or pattern you want to search for. The regular expression can be as simple as a single word or more complex and specific.

When you execute the command, it will search through the manual pages' descriptions on the system for any matches to the provided regular expression. It will then display a list of those matches along with details such as the name of the manual page, a brief description, and the section it belongs to.

For example, if you run "apropos -l network," it will search for any manual pages related to the keyword "network" and display their details.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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