succesfully implemented: #cdev_init function #cdev_add function #initialised the value of sculldev  for 20 nods #Open and release functions #container_of() #scull_trim function

implemented client server program for around 400 clients using fifo and semaphores. issues:- while compilation gcc was unable to get the size for variable of union semun.

implemented # fork statement(duplicate process) # exec function(replace process) # signals and sigaction # pipes #fifo issues faced:- 1.file descriptor was not being passed using execl() system call. ->resolved by passing address of the fd in the arguments of execl(). … Continue reading →