[ 原始碼： readline ]
套件：readline-doc（8.3~alpha1-1）
試製（Experimental）套件
警告：這個套件來自於 experimental 發行版。這表示它很有可能表現出不穩定或者出現 bug ，甚至是導致資料損失。請務必在使用之前查閱 changelog 以及其他潛在的文件。
GNU readline and history libraries, documentation and examples
The GNU readline library aids in the consistency of user interface across discrete programs that need to provide a command line interface.
The GNU history library provides a consistent user interface for recalling lines of previously typed input.