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Like a normal read, your input should break on the new line character "\n" and also on the up and down arrow keys. You will process the input made by the user when he/she enters new line.
History
Your shell must keep a history of the last 10 commands executed. When the user presses the up key the current input should show the last command executed (as the user typed it). So if the user executed the "ls" command, then pressed the up key, then pressed enter, the ls command should be executed. When the user presses up multiple times, you should replace the input with the next previous command. Until you reach the end of the history list (max of 10). If the user presses up and reaches the end of the list, the next time up is pressed nothing should happen. Conversely when the down arrow is pressed you should cycle through the history in the other direction. So if
the user presses down without pressing up, nothing should happen. That is because you will be at the bottom of the list. After a command is executed it should be added to the list and the index of where the user is in the history should be reset. This functionality should be similar to how the Bash shell works.
Explain the following design parameters S, SC, TC, C, CCI, EUF, K, T S The various terms are given below: S: Total number of switching components A good design sh
Most interactive products aim to satisfy a variety of usability and user experience goals. Fully satisfying all of these goals is rarely, if ever, feasible, either because of pract
APPLICATIONS OF PARALLEL PROCESSING Parallel computing is an development of sequential computing which tries to emulate what has always been the condition of affairs in natural
What are semaphores? Semaphore : A semaphore is a synchronization tool which gives a general-purpose solution to controlling access to critical sections. It s an abstract data
Some of the fundamental considerations for instruction set design includes selection of: A set of data-types (For example: integers, long integers, doubles, character strin
Minimize the following logic function using K-maps and realize using NAND and NOR gates. F(A,B,C,D) =?_m(1,3,5,8,9,11,15) + d(2,13).
i want to make final year project in wireless.please help me to decide the topic???????
Implement the following function using 8 to 1 multiplexer Y(A, B, C, D) = ∑(0,1,2,5,9,11,13,15) Ans. We will obtain three variables B,C and D at selection lines and also A as i
A vertical flashing line that permits the user where text will be inserted.
Researching strategy - artificial intelligence: If our search and researching strategy and swot of it is surety to find all types of hints such the solutions eventually, then
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