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6.3. Perintah apt-cache

The apt-cache command can display much of the information stored in APT's internal database. This information is a sort of cache since it is gathered from the different sources listed in the sources.list file. This happens during the apt update operation.
The apt-cache command can do keyword-based package searches with apt-cache search keyword. It can also display the headers of the package's available versions with apt-cache show package. This command provides the package's description, its dependencies, the name of its maintainer, etc. Note that apt search, apt show, aptitude search, aptitude show work in the same way.
Beberapa fitur lebih jarang digunakan. Misalnya, apt-cache policy menampilkan prioritas sumber paket sebagaimana untuk paket secara individual. Contoh lainnya adalah apt-cache dumpavail yang menampilkan header seluruh versi tersedia dari seluruh paket. apt-cache pkgnames menampilkan daftar seluruh paket yang muncul setidaknya sekali dalam cache.