#include"myHeader.h" main(int argc,char **argv) { char ch; int fd; fd=open(argv[1],O_RDONLY); if(fd==-1) { perror("open"); return; } while(read(fd,&ch,1)==1) { write(1,&ch,1); //printf("%c",ch); } close(fd); }OutPut:
madan@madan-Lenovo-G570:~/madan/osconcepts$ ./a.out madan welcome madan reddy hyderabad always truth wins