Operating System Services - File and Directory Operations, Communication Functions

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What is one of the functions provided by operating systems for user assistance?

Graphical user interface design
Memory access control
Security encryption
File and directory manipulation (correct)

How do processes exchange information in an operating system environment?

Via cache memory sharing
Through shared memory or message passing (correct)
Through CPU registers
Via disk storage access

What is one of the ways an operating system deals with errors in the system?

By shutting down immediately
By increasing CPU clock speed
By ignoring errors for faster performance
By taking appropriate actions for each type of error (correct)

What is a crucial aspect of resource allocation in operating systems when multiple users are running concurrently?

Allocate resources to each user/job (D) Signup and view all the answers

How can debugging facilities enhance the system user and programmer's abilities?

By aiding in identifying and resolving errors (D) Signup and view all the answers

What type of communication involves packets moved by the operating system?

Message passing (A) Signup and view all the answers

What is the purpose of an Application Binary Interface (ABI)?

Define how different components of binary code can interface for a given operating system. (A) Signup and view all the answers

Which approach has proven successful in the design and implementation of operating systems?

Starting the design by defining goals and specifications. (A) Signup and view all the answers

What are some System goals for an operating system?

Being easy to design, implement, and maintain, as well as flexible and error-free. (B) Signup and view all the answers

What is the difference between Policy and Mechanism in operating systems?

Policy dictates what needs to be done, while Mechanism defines how to do something. (D) Signup and view all the answers

What aspect highly influences the design and implementation of an operating system?

Defining goals and specifications. (A) Signup and view all the answers

Which of the following is NOT a User goal for an operating system?

Easy to design (D) Signup and view all the answers

What is an important principle in operating systems according to the text?

Separating policy from mechanism (D) Signup and view all the answers

Which programming languages are typically used in the implementation of operating systems?

C, C++, and Perl (B) Signup and view all the answers

What is a characteristic of high-level languages when used in operating system development?

They offer easier portability but are slower (A) Signup and view all the answers

Which operating system structure is described as having a limited structuring according to the text?

Monolithic (A) Signup and view all the answers

Why is it advantageous to separate policy from mechanism in operating systems?

To allow flexibility if policy decisions change later (A) Signup and view all the answers

What type of language is typically used for the lowest levels in operating system implementation?

Assembly (B) Signup and view all the answers

What type of system services provide a convenient environment for program development and execution?

Application programs (A) Signup and view all the answers

Which system service is responsible for creating, deleting, copying, and renaming files and directories?

File management (B) Signup and view all the answers

What type of programs are typically launched by users and not considered part of the operating system?

Application programs (B) Signup and view all the answers

Which system service includes facilities like disk checking, process scheduling, error logging, and printing?

Background services (A) Signup and view all the answers

What is the primary role of a linker in the context of operating systems?

Combine object files into a single binary executable file (C) Signup and view all the answers

Which system service provides the mechanism for creating virtual connections among processes, users, and computer systems?

Communications (D) Signup and view all the answers

Not considering system calls, what is most users’ view of the operating system defined by?

<code>System programs</code> (A) Signup and view all the answers

Not typically considered part of the OS, which programs are run by users and launched by various methods like command line or mouse click?

<code>Application programs</code> (B) Signup and view all the answers

Not related to file management or language support, which system service launches at boot time and provides facilities like disk checking and process scheduling?

<code>Background services</code> (B) Signup and view all the answers

Not concerned with file modification or status information, what role do linkers play in modern general-purpose systems?

<code>Load libraries as needed</code> (C) Signup and view all the answers

Which approach do most modern operating systems take?

Hybrid approach combining multiple approaches (A) Signup and view all the answers

What is the kernel structure of Apple Mac OS X?

Hybrid, layered with Aqua UI (D) Signup and view all the answers

Which operating system uses a kernel consisting of Mach microkernel and BSD Unix parts?

macOS (B) Signup and view all the answers

What makes iOS different from macOS?

iOS can run on different CPU architectures (B) Signup and view all the answers

Which operating system is structured to have Aqua UI plus Cocoa programming environment?