3 Job Control Variables Command Line Editing 83 83 84 85 87 8.1 Introduction to Line Editing 87 8.2 Readline Interaction 87 8.2.1 Readline Bare Essentials 87 8.2.2 Readline Movement Commands 88 8.2.3 Readline Killing Commands 88 8.2.4 Readline Arguments 89 8.2.5 Searching for Commands in the His