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When the user is inputting commands into your shell, it should properly handle delete and backspace. When one of these characters is detected, you will need to remove one character from the screen. For this, you can simply print a "\b" character to the screen. This will act as the backspace. Remember also to remove the character from the buffer you are using to store the
input. Here are the byte values for the delete and backspace characters:
delete --> 127
backspace --> 8
When the user presses delete or backspace, it should remove a character from the screen. But, it should not remove any of the prompts. For example, if the console looks like the following after the user typed the character "a",
/home/ p r o j e c t s / cs200 / spring12 / s h e l l >a
then if the user presses the backspace twice, the console should still look like:
/home/ p r o j e c t s / cs200 / spring12 / s h e l l >
Notice that the prompt is still intact.
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List out the main requirements between page replacement policies which should be satisfied by a page replacement policy? The major requirements that should be satisfied
Message in C++ : * Objects converse by sending messages to each other. * A message is sent to invoke a method in C++. Method in C++: * Gives response to a message
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Which interface converts SQL requirements in the SAP development system to those of the database? Database Interface converts SQL in the SAP.
Distortion caused on telephone line by an adjacent one is called (A) Cross Fire (B) Inductive Disturbance (C) Cross Talk (D) Non
Why a computer expect to receive responses when it broadcast an ARP request? Response will be acquired only from the machine for that request is being sent not for the other ma
How does one arrive at the probability of availability of free lines during the busy hour? One can arrive at the possibility of free lines throughout busy hour using the delay
What is elapsed time of computer system? The total time to implement the total program is known as elapsed time. It is affected by the speed of the processor, the disk and the
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