Operating System Subcategories

Memory Management Swapping 1	Process Scheduling Queue
Virtual Memory Page Replacement Algorithms 1	Linux
Cpu Scheduling	Memory Management
Computer Fundamentals	Cpu Scheduling Benefits
Threads Signal Handling	Threads Ult Klt
Distributed Operating System	Basics
Operating System	Processes
Cpu Scheduling Algorithms 1	Cpu Scheduling Algorithms 2
Deadlock	Deadlock Avoidance
Memory Management Swapping 2	Memory Allocation 1
Secondary Storage	Memory Management Paging 1
Memory Management Paging 2	Rtos
Multimedia System Cpu Disk Scheduling	Security Intrusion Detection
Virtual Memory Thrashing	File System Interface Access Methods 1
File System Interface Directory Structure 1	File System Interface Directory Structure 2
File System Interface Mounting Sharing	File System Allocation Methods 1
Disk Scheduling 2	Disk Management
Classic Sync Problems	Semaphores 1
Process Creation	Multimedia System Network Management
Semaphores 2	Cpu Scheduling 2
Application Io Interface 1	Inter Process Communication
Process Synchronization	Multimedia System Compression 1
Network File System 1	Disk Scheduling 1
Mass Storage Raid 1	File System 1
Communication Systems Bandwidth Transmission Medium	Security Cryptography
Two Port Network	Process Rpc
Virtual Memory Page Replacement Algorithms 2	Virtual Memory Frame Allocation
Network File System 2	File System Allocation Methods 2
File System Allocation Methods 3	Process Control Block
Process Structures	Critical Section Problem
Process Sync Monitors	Atomic Transactions
Deadlock Recovery	Memory Allocation 2
Memory Management Segmentation	Application Io Interface 2
Kernel Io Subsystems	Multimedia System Compression 2
Multimedia System Compression 3	Security User Authentication
Security Program System Threats	Security System Facility
Threads Fork Exec	Threads Cancellation
Threads Pools	Multi Threading Models
Virtual Memory Demand Paging	Virtual Memory
File System Concepts	File System Implementation
File System Interface Access Methods 2	File System Recovery
Io Subsystem	Swap Space Management
Mass Storage Raid 2	Mass Storage Tertiary Storage
Protection Concepts	Protection Access Matrix
Security	Protection Memory Protection
Protection Revocation Access Rights	Network Structure Topology
Robustness	Distributed File System
Distributed Synchronization	Deadlock Prevention
Deadlock Detection	Threads
File System Interface Protection	File System Free Space Performance

Reliability of files can be increased by _____________

A. Keeping the files safely in the memory
B. Making a different partition for the files
C. By keeping them in external storage
D. By keeping duplicate copies of the file

Protection is only provided at the _____ level.

A. Lower
B. Central
C. Higher
D. None of the mentioned

What is the main problem with access control lists?

A. Their maintenance
B. Their length
C. Their permissions
D. All of the mentioned

Many systems recognize three classifications of users in connection with each file (to condense the access control list).

A. Owner
B. Group
C. Universe
D. All of the mentioned

All users in a group get _______ access to a file.

A. Different
B. Similar
C. Same
D. None of the mentioned

Universe consists of _____________

A. All users that aren’t included in the group or owners
B. All users that are not owners
C. All users in the system
D. None of the mentioned

In UNIX, groups can be created and modified by?

A. Superuser
B. Any user
C. A programmer only
D. The people in the group only

To control access the three bits used in UNIX are represented by _____________

A. R
B. W
C. X
D. All of the mentioned

If each access to a file is controlled by a password, then what is the disadvantage?

A. User will need to remember a lot of passwords
B. It is not reliable
C. It is not efficient
D. All of the mentioned

What will happen in a multi level directory structure?

A. The same previous techniques will be used as in the other structures
B. A mechanism for directory protection will have to applied
C. The subdirectories do not need protection once the directory is protected
D. None of the mentioned