emerge:tldr:61a66

The command "emerge -av ${package_name}" is a command used in the Gentoo Linux operating system package management system.

• "emerge" is a package manager command used in Gentoo Linux to install, update, or remove packages on the system.
• "-av" are options for the "emerge" command:
  • The "-a" option tells "emerge" to automatically resolve and install any dependencies required by the specified package.
  • The "-v" option enables verbose output, providing more detailed information during the package installation process.
• "${package_name}" is a placeholder that should be replaced with the name of the package you want to install or update. It can be any valid package name recognized by Gentoo's package manager.

Overall, the "emerge -av" command installs or updates the specified package and its dependencies while providing detailed output about the installation process.