convert the following program into a shell script, including redirection of input and output, pipes, and background jobs.: #define TRUE 1 while (TRUE) /* repeat forever */ { type_prompt(); /* display prompt on the screen */ read_command(command, parameters); /* read input from terminal */ if (fork() != 0) /* fork off child process */ { /*Parent code.*/ waitpid(1, &status, 0); /* wait for child to exit */ } else { /* Child code. */ execve(command, parameters, 0); /* execute command */ } }
convert the following program into a shell script, including redirection of input and output, pipes, and background jobs.: #define TRUE 1 while (TRUE) /* repeat forever */ { type_prompt(); /* display prompt on the screen */ read_command(command, parameters); /* read input from terminal */ if (fork() != 0) /* fork off child process */ { /*Parent code.*/ waitpid(1, &status, 0); /* wait for child to exit */ } else { /* Child code. */ execve(command, parameters, 0); /* execute command */ } }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
convert the following program into a shell script, including redirection of input and output, pipes, and background jobs.:
#define TRUE 1
while (TRUE) /* repeat forever */
{
type_prompt(); /* display prompt on the screen */
read_command(command, parameters); /* read input from terminal */
if (fork() != 0) /* fork off child process */
{
/*Parent code.*/
waitpid(1, &status, 0); /* wait for child to exit */
}
else
{
/* Child code. */
execve(command, parameters, 0); /* execute command */
}
}
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