Install aptitude-doc-ja by entering the following commands in the terminal:
sudo apt update sudo apt install aptitude-doc-ja
Description:
Japanese manual for aptitude, a terminal-based package manager
aptitude is a package manager with a number of useful features, including: a mutt-like syntax for matching packages in a flexible manner, dselect-like persistence of user actions, the ability to retrieve and display the Debian changelog of most packages, and a command-line mode similar to that of apt-get. . This package contains the Japanese version of the aptitude user's manual in HTML format.
Homepage: https://aptitude.alioth.debian.org/
Version: 0.8.10-6ubuntu1
Section: universe/doc