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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.
Class is a user-defined data type in C++. It can be formed to solve a particular kind of problem. After creation the user require not know the specifics of the working of a class.
Why are interrupt masks provided in any processor? Interrupt mask enable the higher priority devices comes first and there for lower priority devices comes last. The interrupt
Yes. It's available on Windows and uses TWAIN, and on GNU/Linux you constant have a choice among XSane and gnome-scan - both can be used as GIMP plug-ins.
advantages and disadvantages of layered architecture in computer network.
What courses draught in a simple pendulum experiment
What is synchronous DRAM? Synchronous DRAM's are those whose operation is directly synchronized with a clock signal.
Define Refresh Circuits? It is a circuit which make sure that the contents of a DRAM are maintained when every row of cells are accessed periodically.
Q. Benefit of digital versatile disk read only memory? The main benefit of having CAV is that individual blocks of data can be accessed at semi-random mode. So head can be move
minimum number of shelves
Cutoff Search : To require a mini and max search in a game on stage situation is, in which all we have is just do that programme our agent to look at the intact that search tr
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