GATE 2024 Operating System Foundation Quiz 14

The FAT (File Allocation Table) used in MSDOS is based on which of the following allocation methods:

In a multithread program, if 'exec' system call will be invoked immediately after the fork ( ) system call then option ______ gives correct behaviour regarding duplication of process threads.

Which of the following are valid file attributes?

I. Type

II. Size

III. Mode of access

IV. Resolution

Which of the following is true?

Consider the organization of a UNIX file as represented by the I-node. Assume that there are 12 direct block pointer and one singly, one doubly, one triply indirect pointer in each I-node. Assume that the system block size and disk sector size are both 8K. If the disk block pointer is 32 bits with 8 bits to identify the physical disk and 24 bits to identify the physical block. Assuming no information other than that the file i-node is already in main memory, how many disk access are required to access the byte in position 13,423,956 ________.