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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.
Loop Level At this stage, following loop iterations are candidates for parallel execution. Though, data dependencies among subsequent iterations can restrict parallel execution
Receive a message. tid is integer task identifier of transmitting process supplied by user and msgtag is message tag supplied by user( must be non negative integer). The process re
Use the Rational Administrator to: * Make and manage projects. * Make a project under configuration management. * Make a project outside of configuration management.
What is a Priority Interrupt? A priority interrupt is an interrupt that establishes a priority over the various sources to determine which condition is to be serviced first whe
Personal Computer Software The personal computer software market has burgeoned from the past decade. Spreadsheets, Word processing, computer graphics, database managemen
THE DIFFERENCE ENGINE - Pascaline The difference enigne was based on the mathematical principle of finite differences and was used to solve calculations based on large numbers
Specifying Optimisation Criteria Specify values to be minimized, maximized or optimized. You can understand it as way you normalize data in database. For instance, you should
What is a structure? A structure is a collection of variables under a single name. These variables can be of different types, and each has a name which is used to select it fro
Write a main function that opens an ifstream on the input file, "person.dat". If the stream cannot be opened, output an error message and exit. The file format is as foll
Q. Write a program to find 1's and 2's complement of a Binary number. Perform necessary checking that if entered number is not a valid number, ask user to enter valid Binary n
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