also: ラインエディター
noun
line editor
A computing term for a text editor that operates on one line at a time, common in early command-line interfaces.
昔のプログラマはラインエディタでコードを書いていた。
Programmers in the past wrote code using line editors.
A general text editor, often with a full-screen interface, unlike a line editor which works line by line.
Loanword from English 'line editor', adapted into katakana.