Exam 8: Working With the Bash Shell

A case construct must be ended by ____________________.

Most configuration files on Linux systems are delimited using ____ characters.

What are shell variables? What are environment and user-defined variables?

If you have ____ permission to a shell script, you can execute the shell script like any other executable program on the system.

You are limited to using one pipe | metacharacter on the command line to pipe information from one command to another command.

Describe the && and || constructs. How and why are they used?

You can use the sed command to remove unwanted lines of text.

The ____ command can be used to replace characters in a file sent via Standard Input.

The ____ environment file is always executed immediately after login for all users on the system, and sets most environment variables, such as HOME and PATH.

The ____________________ command takes user input from Standard Input and places it in a variable specified by an argument.

You can use the BASH shell to redirect Standard Output and Standard Error from the terminal screen to a file on the filesystem using the ____ shell metacharacter followed by the absolute or relative pathname of the file.