?Identify the letter of the choice that best matches the sentence or definition.
A. ?It displays only the most important table content in a form such as a list.
B. ?It is helpful when one needs to provide a lot of content in a compact form.
C. ?It is used to save space in tables.
D. ?It allows a webpage visitor to select items from a list of one or more choices.
E. ?It is formatted with bold, centered text that indicates the purpose of the row or column.
F. ?When this is applied, it makes the table appear to be using double lines between each table data cell.
G. ?It is the intersection of a row and a column and usually contains data.
H. ?It provides a structured way to collect information from webpage visitors.
I. It is like a text control because it provides a text box for a single line of input.
J. ?It is the text that describes the type of information to enter with an input control.
A. ?Mobile viewport
B. ?Table
C. ?Ampersand (&)
D. ?Checkbox control
E. ?Table header
F. ?Separated border
G. ?Cell
H. ?Form
I. ?Password control
J. ?Label
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The while loop has two important parts: a condition that is tested and a statement or block of statements that is
A) repeated as long as the condition is true. B) repeated until the condition becomes true. C) done once if the condition is true. D) always done at least once, then repeated if the condition is true. E) always skipped.
Read the following scenario. Provide the command(s) in context of the environment established in the scenario. Write your answers on the line under each question. Read the following scenario. Provide the command(s) in context of the environment established in the scenario. Write your answers on the line under each question.
1. Display the word UNIX on the screen 2. Display the * (asterisk) on the screen 3. Set a variable called Number to 10 4. Delete (unset) the variable called Number 5. Display the value of the variable called Number 6. Change the prompt string to a smiley face such as :-) 7. Use the pipe operator to send the list of the files in the current directory to the printer 8. Delay execution of a command (say date command) for 2 minutes 9. Execute a command (say sort command) as a background process. 10. Display the status of all processes 11. List the signals used for the kill command 12. Terminate the process identified by process ID 12345 13. Display a file named Xfile and at the same time save it in a file named Saved 14. Look for the word UNIX in the files in the current director. Use an option that ignores distinction between upper and lower case letters. 15. Sort a file named Xfile. Use an option that ignores distinction between upper and lower case letters. 16. Export the two variables called Var1 and Var2. 17. Set the number of entries in the history file to 200 18. lists commands in the history list 19. Set the option that prevents accidental log off when [Ctrl-d] key is used 20. Turn off the option that prevents accidental log off when [Ctrl-d] key is used 21. Set the option that prevents overwriting an existing file 22. Turn off the option that prevents overwriting an existing file 23. Turn on the command line editing option 24. Turn off the command line editing option 25. List the name of aliases