In this chapter, you learned how to:
Find a prompt.
Tell what shell you are in.
Determine what shells are available.
Use a temporary shell.
Change your shell.
View the contents of environment variables.
List all environment variables.
Pipe to more.
Use the more command to view a file.
Set environment variables on the fly.
Add a directory to the PATH variable.
Go to your home directory.
View hidden files.
Add an environment variable for a user.
Add to the global path.
Change the bash prompt.
Find where you are.
Use command completion.
Use session history.
Open and save files in vi and Pico.
Send email with Linux email.