CmdID / Commands
Search for files in apt packages, including ones not yet installed. tldr-pages
On Linux
Opens CmdID with your command. It is read in your browser and sent nowhere.
Update the metadata database
sudo apt update
Search for packages that contain the specified file or path
apt-file [find path/to/file
List the contents of a specific package
apt-file list package
Search for packages that match the regex
apt-file [find --regexp regex