xbps-query
XBPS utility to query for package and repository information. tldr-pages
On Linux
Linux
Search for a package in remote repositories using a regex or a keyword (if --regex is omitted)
xbps-query --search regex --repository --regexIdentifyShow information about an installed package
xbps-query --show packageIdentifyShow information about a package in remote repositories
xbps-query --show package --repositoryIdentifyList packages registered in the package database
xbps-query --list-pkgsIdentifyList explicitly installed packages (i.e. not automatically installed as dependencies)
xbps-query --list-manual-pkgsIdentify