> i create a character special file using mknod in /dev directory. > > i try to write data to my file by" echo -n "abcd" > /dev/memory " > > and when i try to read from that file i get the last char was written > to that file that is "d" Hello Aravind, Can you post the output for: $ strace -n "abcd" > /dev/memory $ strace cat /dev/memory a thanks, Daniel.