i have a project which i dnt have any information on it but i have to write this ... so many thanks if u help here to describe me what to do exactly ... thanks
4 program which name is P1,P2,P3,P4 write ( each program create a process in OS) and for communicate between them use 3 pipe in Named Pipe type which names are Pipe1 , Pipe2 , Pipe3 ... process1 must read a line from a file by name "input.in" in /home directory then through pipe1 give it to second process ... and second process must convert '*' to '.' and '.' to '*' then send result to third process by pipe3 ... and third process should convert small letters to big letters and inverse then through Pipe3 must sent the result to 4th process .... and at last 4th process save the result into an output file which name is "Output.out" ....