单选题：In a file system, the basic operation in a “Open” system call is

In a file system, the basic operation in a “Open” system call is _________.@[B](1)
A. reading file contents from outer storage into memory
B. reading file control information from outer storage into memory
C. reading file’s FAT table from outer storage into memory
D. reading disk block from disk into memory





A.reading file contents from outer storage into memory
B.reading file control information from outer storage into memory
C.reading file’s FAT table from outer storage into memory
D.reading disk block from disk into memory


答案：B