Question 1

Reading and writing a file operations use the same current-file-position pointer.

Accepted Answer

A) True 
 B)False

Question 2

UNIX systems employ ________________________

Accepted Answer

A)  two-level tree directory 
B)  general graph directory 
C)  single-level directory 
D)  acyclic-graph directory 
A)  two-level tree directory 
B)  general graph directory 
C)  single-level directory 
D)  acyclic-graph directory

Question 3

The file protection can be provided by:

Accepted Answer

A)  access-control list 
B)  password 
C)  knowledge of the existence and name of a file 
D)  all of the above 
A)  access-control list 
B)  password 
C)  knowledge of the existence and name of a file 
D)  all of the above

Question 4

In tree-structured directory the search path always contains "the current directory"

Accepted Answer

A) True 
 B)False

Question 5

Describe the main drawback of single-level directory structure

Accepted Answer

Even a single user on a single-level dir

Question 6

If a current directory is /home /user/jane and then the propose path to file /home/user /mike/prog.c is_____________________

Accepted Answer

A)  ./mike/prog.c 
B)  ../../mike/prog.c 
C)  ../mike/prog.c 
D)  /mike/prog.c 
A)  ./mike/prog.c 
B)  ../../mike/prog.c 
C)  ../mike/prog.c 
D)  /mike/prog.c

Question 7

UNIX systems consider ach file to be a sequence of _______________

Accepted Answer

A)  bit words, which length is defined by the users 
B)  16 bit words 
C)  8-bit bytes 
D)  32 bit words 
A)  bit words, which length is defined by the users 
B)  16 bit words 
C)  8-bit bytes 
D)  32 bit words

Question 8

What pointer is used for writing a file?

Accepted Answer

A)  memory pointer 
B)  seek pointer 
C)  shared--file pointer 
D)  current-file-position pointer 
A)  memory pointer 
B)  seek pointer 
C)  shared--file pointer 
D)  current-file-position pointer

Question 9

create() system call uses open-file table.

Accepted Answer

A) True 
 B)False

Question 10

Why information about the location of the file is kept in memory?

Accepted Answer

Most file operations require the system

Reading and writing a file operations use the same current-file-position pointer.

UNIX systems employ ________________________

The file protection can be provided by:

In tree-structured directory the search path always contains "the current directory"

Describe the main drawback of single-level directory structure

If a current directory is /home /user/jane and then the propose path to file /home/user /mike/prog.c is_____________________

UNIX systems consider ach file to be a sequence of _______________

What pointer is used for writing a file?

create() system call uses open-file table.

Why information about the location of the file is kept in memory?

Introduction

Operating-System Structures

Processes

Threads Concurrency

Cpu Scheduling

Synchronization Tools

Synchronization Examples

Deadlocks

Main Memory

Virtual Memory

Mass-Storage Structure

Io Systems

File-System Implementation

File-System Internals

Security

Protection

Filters

Exam 13: File-System Interface

Reading and writing a file operations use the same current-file-position pointer.

UNIX systems employ ________________________

The file protection can be provided by:

In tree-structured directory the search path always contains "the current directory"

Describe the main drawback of single-level directory structure

If a current directory is /home /user/jane and then the propose path to file /home/user /mike/prog.c is_____________________

UNIX systems consider ach file to be a sequence of _______________

What pointer is used for writing a file?

create() system call uses open-file table.

Why information about the location of the file is kept in memory?

Introduction

Operating-System Structures

Processes

Threads Concurrency

Cpu Scheduling

Synchronization Tools

Synchronization Examples

Deadlocks

Main Memory

Virtual Memory

Mass-Storage Structure

Io Systems

File-System Implementation

File-System Internals

Security

Protection

Filters