运行程序，可在linux下创建指定共享内存名，指定大小的共享内存，用于检测此名称此大小的共享内存在linux系统下是否能创建成功-Run the program, created in linux under the name of the specified shared memory, specify the size of shared memory, used to detect the name of this size of shared memory in linux systems are able to create a successful