CompTIA Linux+/LPIC-1 Portable Command Guide: All the commands for the CompTIA LX0-103 & LX0-104 and LPI 101-400 & 102-400 exams in one compact,

Chapter 9. Work on the Command Line

This chapter provides information and commands concerning the following topics:

Use single shell commands and one-line command sequences to perform basic tasks on the command line

Use and modify the shell environment, including defining, referencing, and exporting environment variables

Use and edit the command history

Invoke commands inside and outside the defined path

bash

echo

env

export

pwd

set

unset ...