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When your shell is waiting for input from the user, it should first print a prompt. The prompt should consist of the current working directory followed by the _>_ character. Here is an example of the prompt:
/home/ p r o j e c t s / cs200 / spring13 / s h e l l >
After a user performs a command, the prompt should be printed again on a new line. If the user changes the current working directory, your prompt should show the change. I would recommend using the printf() function from stdio.h for printing the prompt.
What are overlays? To enable a process to be larger than the amount of memory allocated to it, overlays are used. The idea of overlays is to keep in memory only those instructi
Determine the synchronization of bits The synchronization provided by use of start and stop bits, an extra bit known as a parity bit may optionally be transmitted along with th
A system utility that comes with Windows that permits the use to change a variety of dissimilar Windows and system settings.
Write a PERL script which takes a file named input.txt as an input and processes it. The input file has the following format: firstname lastname: pass/fail score%. A sample input f
Syntax of recursion int fib(int num) /* Fibonacci value of a number */ { switch(num) { case 0: return(0); break; case 1: return(1); break; default: /* Incl
Define the Information System Growing sophistication in products and markets is driving the organisational requirement for increasing amounts of information. This req
What is "the principle of locality"? It's the nature of the processes that they refer only to the small subset of the total data space of the process. I.e. the process frequ
Write a short note on MMX technology. MMX (Multimedia extensions) technology adds 57 new instructions to instruction set of the Pentium - 4 microprocessors. MMX technology also
What is a multiple line field? A multiple line field is a special part of field which allows the user to enter multiple lines of data into it.
TARGET = "_blank" "_blank" opens new document in a new window. Run the code given in Figure and check how it works. This value doesn't require the use of any frames. "_blank"
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