Learn how to effectively erase the bottom area of your mainframe console screen using the K E,D command. Discover the correct syntax and understand why this command is the most suitable option for clearing the bottom portion of your console display.
Table of Contents
Question
Which command works to erase bottom area on console?
A. K E,D
B. K E,1
C. K D
D. K
Answer
The correct command to erase the bottom area on a mainframe console is:
A. K E,D
Explanation
The K E,D command is used to erase a specific portion of the console screen, in this case, the bottom area. Here’s a detailed explanation of the command syntax:
- K is the command code for “Keyboard” related functions.
- E is the erase subcommand, which indicates that you want to erase a part of the screen.
- ,D specifies the area to be erased, with “D” standing for “Down” or the bottom portion of the screen.
When you enter the command “K E,D” on your mainframe console, it will effectively clear the bottom area of the screen, leaving the upper portion intact. This command is particularly useful when you need to remove any unwanted or outdated information from the lower part of your console display without affecting the content in the upper section.
The other options provided in the question are incorrect for the following reasons:
- B. K E,1: This command would erase only one line at the bottom of the screen, not the entire bottom area.
- C. K D: This is an invalid command as it lacks the erase subcommand “E” and the area specification “,D”.
- D. K: This is an incomplete command that would not execute any specific action on the console screen.
In summary, the “K E,D” command is the most accurate and efficient way to erase the bottom area of your mainframe console screen, making it the best choice among the given options.
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