Exam 11: File Systems and Directories

A disk-scheduling algorithm determines how the outstanding requests for disk access will be satisfied.

A relative path begins at the root of the directory tree.

In a UNIX operating system, a file's protection settings are divided into three categories: Owner, Group, and _______________.

Which of the following specifies a file or directory beginning with the root directory?

A file with _______________ access treats the file as a linear structure.

What is a subdirectory?

The SCAN disk-scheduling algorithm is similar to the algorithm used to manage elevators.

A file's extension dictates what type of data it contains.

What is a disk cylinder?

Which of the following describes the amount of time it takes to move the read/write heads to the appropriate cylinder?

Which of the following is a disk-scheduling algorithm that moves disks heads by the minimum amount necessary to satisfy any pending request?

Most operating systems allow the user to specify a set of paths that are searched in a specific order to help resolve references to executable programs.

Which of the following contains bits organized into groups of 8 or 16 that represent characters from a character set?

The working directory is the directory into which all temporary files are stored.

In which disk-scheduling algorithm could starvation occur?

First-come, first-served disk scheduling is relatively easy to implement, but is not the most efficient approach.

As one moves around in the file system of an operating system, the current working directory remains the same.

A(n) _______________ visualizes directories and subdirectories as a hierarchy.

The .txt file extension is generally used for which of the following?

A(n) _______________ is a named collection of related data.