Simulation of Unix Commands - cat

SIMULATION OF UNIX COMMANDS

Programs

// 2. cat command

#include<fcntl.h>                                     

#include<sys/stat.h>

#define BUFSIZE 1

int main(int argc, char **argv)

{

          int fd1;

          int n;

          char buf;

          fd1=open(argv[1],O_RDONLY);

  

while((n=read(fd1,&buf,1))>0)   

printf("%c",buf);

return (0);

}