...using ftok (3), create two semaphore sets using those files, and then list the sets using ipcs (1): $ touch mykey mykey2 $ ./t_semget -c mykey p 1 ID = 9 $ ./t_semget -c mykey2 …...op (2) system call. sem_ctime Time of creation of semaphore set or time of last semctl () IPCSET , SETVAL , or SETALL operation. sem_nsems Number of semaphores in the set. Each …..._64 flag in op .) NOTES The IPC_INFO , MSG_STAT , and MSG_INFO operations are used by the ipcs (1) program to provide information on allocated resources. In the future these may…..._64 flag in op .) NOTES The IPC_INFO , SHM_STAT , and SHM_INFO operations are used by the ipcs (1) program to provide information on allocated resources. In the future, these ma…...that naive programmers try to solve in a more complicated manner using threads, forking, IPCs, signals, memory sharing, and so on. The poll (2) system call has the same function…