Exam 6: Introduction to Shell Script Programming

If a source file contains ____ errors,it cannot be converted into an executable file.

Shell scripts support many shell script ____________________,including those for assigning the contents of a shell variable,for evaluating information,for performing mathematical operations,and for piping or redirection of input-output.

Match each item with a statement below. -bitwise negation operator

____________________ operators are used to assign a value to a variable.

Match each item with a statement below. -environment variable that contains the file name containing commands to initialize the shell

The ____________________ command,used to run a shell script,includes several options for debugging.

What is an operand?

Match each item with a statement below. -environment variable that holds the primary shell prompt

You use the chexec command to indicate that a (shell script)file can be executed.

What is the program development cycle?

The ____ statement simplifies the selection of a match when you have a list of choices.

Match each item with a statement below. -environment variable that identifies the path name for user's home directory

What is an algorithm?

You should omit spaces when you assign a variable without using single or double quotation marks around its value.

____ operators compare the relationship between two values or arguments.

The UNIX-Linux shell acts as a(n)____ when reading script files.

The Bash shell offers improved features over the older Bourne and Korn shells and is fully backward compatible with the Bourne shell.

The ____ shell,when compared to the other shells,has a more powerful programming interface.

When you assign a value to a variable,you might want to evaluate it by displaying its contents via a(n)____ operator.

The ____ statement continues to loop and execute commands or statements as long as a given condition or set of conditions is true.