#include<stdio.h>
#include<unistd.h>
#include<stdlib.h>
int main( void ) {
char *argv[] ={"",NULL};
char comm[100];
int p_pid;
while(1)
{
printf("mysh#");
scanf("%s",comm);
p_pid = fork();
if(p_pid > 0)
{
wait(NULL);
}
else if ( p_pid == 0 )
{
execvp(comm,argv);
}
}
return 0;
}
Project 1: Implementing a Shell 1 Overview In this individual project you will have to design...
Overview Writing in the C language, implement a very basic shell, called smash. In this project, we will work on processing strings and using the appropriate system calls. Build System setup Before we can start writing code we need to get our build system all setup. This will involve writing a very simple makefile. You should leverage your Makefile project for this part of the assignment! Write a Makefile that provides the three targets listed below all - The default...
You are currently running/debugging a shell script program in the foreground that seems to be in an infinite loop, to terminate/kill the shell script program. 7. (type/enter - control C to send a "program interrupt" ) or (contact the sysadmin person to kill your shell script program) 8. The UNIX/Linux exit command entered on the KORN shell command line will exit the shell session properly (best practice). [True / False] When killing a background process with the kill command you...
Creating a Shell Interface Using Java This project consists of modifying a Java program so that it serves as a shell interface that accepts user commands and then executes each command in a separate process external to the Java virtual machine. Overview A shell interface provides the user with a prompt, after which the user enters the next command. The example below illustrates the prompt jsh> and the user’s next command: cat Prog.java. This command displays the file Prog.java on...
Update the program in the bottom using C++ to fit the requirements specified in the assignment. Description For this assignment, you will be writing a single program that enters a loop in which each iteration prompts the user for two, single-line inputs. If the text of either one of the inputs is “quit”, the program should immediately exit. If “quit” is not found, each of these lines of input will be treated as a command line to be executed. These...
Using Unix processes Submit a README file that lists the files you have submitted along with a one sentence explanation. Call it Prj1README. MakeCopy.c : Write a C program that makes a new copy of an existing file using system calls for file manipulation. The names of the two files and copy block sizes are to be specified as command line arguments. Open the source file in read only mode and destination file in read/write mode. ForkCopy.c : Write a...
Project Description In this project, you will be developing a multithreaded Web server and a simple web client. The Web server and Web client communicate using a text-based protocol called HTTP (Hypertext Transfer Protocol). Requirements for the Web server The server is able to handle multiple requests concurrently. This means the implementation is multithreaded. In the main thread, the server listens to a specified port, e.g., 8080. Upon receiving an HTTP request, the server sets up a TCP connection to...
Infix Expression Evaluator For this project, write a C program that will evaluate an infix expression. The algorithm REQUIRED for this program will use two stacks, an operator stack and a value stack. Both stacks MUST be implemented using a linked list. For this program, you are to write functions for the linked list stacks with the following names: int isEmpty (stack); void push (stack, data); data top (stack); void pop (stack); // return TRUE if the stack has no...
Infix Expression Evaluator For this project, write a C program that will evaluate an infix expression. The algorithm REQUIRED for this program will use two stacks, an operator stack and a value stack. Both stacks MUST be implemented using a linked list. For this program, you are to write functions for the linked list stacks with the following names: int isEmpty (stack); void push (stack, data); data top (stack); void pop (stack); // return TRUE if the stack has no...
could you please help me with this problem, also I need a little text so I can understand how you solved the problem? import java.io.File; import java.util.Scanner; /** * This program lists the files in a directory specified by * the user. The user is asked to type in a directory name. * If the name entered by the user is not a directory, a * message is printed and the program ends. */ public class DirectoryList { public static...