1/* sort -k2,2g */ 2IPC_RMID 0 3IPC_SET 1 4IPC_STAT 2 5IPC_INFO 3 6GETPID 11 7GETVAL 12 8GETALL 13 9GETNCNT 14 10GETZCNT 15 11SETVAL 16 12SETALL 17 13SEM_STAT 18 14SEM_INFO 19 15SEM_STAT_ANY 20 16