Exam 6: Introduction to Shell Script Programming

Logic structures supported by shell scripts include: sequential logic,decision logic,looping logic,and ____________________ logic.

Logic structures are also called ____ structures.

What is looping logic?

A ____ is a name consisting of letters,numbers,or characters and is used to reference the contents of a variable.

With no options,____ displays the current listing of Bash environment and shell script variables.

____________________ are text files that contain sequences of UNIX-Linux commands.

____ variables are those you create at the command line or in a shell script.

The ____________________ variable provides a list of directory locations where UNIX or Linux looks to find executable scripts or programs.

What is a glob pattern?

What is a prototype?

To reference a variable,you use a dollar sign ($)in front of it or enclose it in ____.

Match each item with a statement below. -environment variable that holds the path name of the program for the type of shell you are using

The ____ command enables you to initialize the terminal display or terminal window,to place text and prompts in desired locations,and to respond to what the user selects from the menu.

Shell scripts can automatically access variables created and assigned on the command line.

In shell scripts,comment lines begin with a(n)____.

The ____________________ shell is similar to the Bash shell in many respects,but has syntax similar to that of C programming.

____ gives the owner read,write,and execute permissions.

You use the ____________________ command to loop through a range of values.

Shell scripts run more quickly than compiled programs.

What is a branch instruction?