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COP4600 - Operating Systems Final Exam Questions and Answers (Latest Update 2024)
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COP4600 - Operating Systems Final Exam Questions and Answers (Latest Update 2024)
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COP4600 - Operating Systems FinalExam Questions and Answers (Latest
Update 2024)
What is the purpose of a file system? - Correct Answer
✅The purpose of a file system is to provide persistent
storage, locate free storage space, allow more than one
process to access the information store concurrently, find
information by using human-accessible identifiers or names,
protect data from unauthorized access, use, or modification,
and identify types of data stored and programs that can read
the data.
What is a file? - Correct Answer ✅A file is storage that is
logically named (identified) and is persistent.
What is a byte sequence? - Correct Answer ✅A byte
sequence is a sequence of bytes where each byte is 8-bits.
What is a record sequence? - Correct Answer ✅A record
sequence is a sequence of records that can be of any size, for
example, 6-bits.
How do file types help the system? - Correct Answer ✅File
types help the system identify which applications should be
,COP4600 - Operating Systems Final
Exam Questions and Answers (Latest
Update 2024)
used to access the data and indirectly, the formatting of the
data.
What are the several ways to determine file types? - Correct
Answer ✅The several ways to determine file types are by
extension, magic numbers, file attributes, and looking at file
contents.
What is a magic number? - Correct Answer ✅A magic
number is a numeric or string constant that indicates the file
type, typically located in the first 512 bytes of the file.
What is a file attribute? - Correct Answer ✅A file attribute
is an element that describes a characteristic of a file and
provides information the system needs to handle the file,
such as the file title, record size, number of areas, and date
of creation.
What is a File Control Block (FCB)? - Correct Answer ✅A File
Control Block (FCB) is a file system structure that maintains
the state of a file. The FCB holds attributes and location
,COP4600 - Operating Systems Final
Exam Questions and Answers (Latest
Update 2024)
information of a file, such as ownership, size, permissions,
dates, and other information.
What is a file descriptor? - Correct Answer ✅A file
descriptor is a type of data structure that is temporarily
allocated by a computer operating system to maintain the
status of a data file that is being created or manipulated. It is
loaded to memory and is a file control block (FCB).
What are the two main access classes or operations for files?
- Correct Answer ✅The two main access classes or
operations for files are sequential access and random access.
What are some common file operations? - Correct Answer
✅Some common file operations include Create, Delete,
Open, Close, Seek, Rename, Read, Write, Append, Get/Set
Attribute, and Lock.
What is a directory or folder? - Correct Answer ✅A
directory or folder is a special file type that holds (part of) the
, COP4600 - Operating Systems Final
Exam Questions and Answers (Latest
Update 2024)
File Control Block (FCB) about other files in Windows systems,
while in Unix systems, directories point to inodes.
How are files organized in modern file systems? - Correct
Answer ✅Files are typically organized in a tree-like structure
of files and folders organized in several levels.
What is a link in UNIX? - Correct Answer ✅A link in UNIX is
a pointer to a file or directory.
What are the two types of links in UNIX? - Correct Answer
✅The two types of links in UNIX are regular or hard links and
symbolic or soft links.
What is the difference between a regular (hard) link and a
symbolic (soft) link? - Correct Answer ✅A regular or hard
link refers to the same physical file location as the original,
while a symbolic or soft link contains the path to the original
file and behaves differently when the source of the link is
moved or removed.
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