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SHELL.CPP I need to implement the display prompt and the read-in command methods. How would I go about doing that. This is what I have

SHELL.CPP

I need to implement the display prompt and the read-in command methods. How would I go about doing that. This is what I have so far please see my code below.

The program below is written in C++

image text in transcribed

#include #include #include #include //implement display prompt here void prompt({ //create initial display screen //implement read in prompt here int main() { //two arrays that hold the command //one array of pointers to hold parameters char cmd[100], command [100], *parameters [20]; //environment - assumption all variables are in /bin char *env[]={(cahr *) "PATH=/bin",0}; //while loop - aka driver while(1) { //display prompt prompt(); //read in from command line read(command, parameters); //fork() is used to run in parallel creating child copies if(fork(!=0) wait(NULL); else{ //copy bin directory strcpy(cmd, "/bin/"); //concatenate what the user enters strcat(cmd, command); //execute command execve(cmd, parameters, env); }//end else //terminate when user enters exit if(strcmp(comm d, "exit")==0) }//end while loop }//end main #include #include #include #include //implement display prompt here void prompt({ //create initial display screen //implement read in prompt here int main() { //two arrays that hold the command //one array of pointers to hold parameters char cmd[100], command [100], *parameters [20]; //environment - assumption all variables are in /bin char *env[]={(cahr *) "PATH=/bin",0}; //while loop - aka driver while(1) { //display prompt prompt(); //read in from command line read(command, parameters); //fork() is used to run in parallel creating child copies if(fork(!=0) wait(NULL); else{ //copy bin directory strcpy(cmd, "/bin/"); //concatenate what the user enters strcat(cmd, command); //execute command execve(cmd, parameters, env); }//end else //terminate when user enters exit if(strcmp(comm d, "exit")==0) }//end while loop }//end main

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