This lesson covers the shell environment.

Objectives and Skills

Objectives and skills for the shell environment portion of Linux+ certification include:^[1]

• Customize and use the shell environment
  • Set environment variables (e.g., PATH) at login or when spawning a new shell
  • Write BASH functions for frequently used sequences of commands
  • Maintain skeleton directories for new user accounts
  • Set command search path with the proper directory
  • The following is a partial list of the used files, terms and utilities:
    • Source
    • /etc/bash.bashrc
    • /etc/profile
    • env
    • export
    • set
    • unset
    • ~/.bash_profile
    • ~/.bash_login
    • ~/.profile
    • ~/.bashrc
    • ~/.bash_logout
    • function
    • alias
    • lists

Readings

Multimedia

Activities

1. Complete the tutorial IBM: Learn Linux, 101: Customize and use the shell environment

Lesson Summary

Key Terms

References