Introduction to Linux I Chapter 4 Test Online 2016

If you want to delete a variable, you can run:

To view all current variables, you can use:

To process a script file in the current context, you execute:. (choose two)

Environment variables can be viewed by running:. (choose two)

The PATH environment variable is used for:

Which of the following will create a variable?

Which character(s) cannot be placed in variable names?

Shell variables are used to:

Local variables are:

Environment variables are:

Environment variables cannot be declared by which command?

The PATH variable will be used under which situation?

The /bin directory contains:

The /sbin directory contains:

The /usr/local/bin directory contains:

The path testdir/file.txt is:

The path /data/file.txt is:

Which of the following is a valid way to add the /data directory to the existing PATH variable?

Which of the following files is specific to each user and executed every time a bash shell is opened?

Which of the following files is specific to each user and executed only during login?

Which of the following files is for all bash shell users and executed every time a bash shell is opened?

Which of the following files is for all bash shell users and executed only at login?

Which of the following commands will execute the last command that started with ec:

An absolute path always starts with which character?

In the PATH variable, the __ character is used to separate the directories.

The _____ command will allow you to see commands that you have previously executed.

The _____ variable stores directories that the shell used to find executable files.

When specifying a path, the __ character symbolizes the current directory.

Which file can you place in your home directory to be executed when you log off the system?

The _____ command will tell you if a command exists as a built-in command, function, alias or a command located within the PATH variable.