System Libraries and System Calls

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What is the primary role of system libraries in making system calls?

To collect and arrange system-call arguments in the necessary form (correct)

To schedule system calls for concurrent execution

To execute system calls directly in the kernel

To manage memory allocation for system calls

What is the primary function of user utilities in a Linux system?

To execute system calls directly in the kernel

To support basic system operation without requiring elevated privileges (correct)

To manage system initialization and administration

To provide advanced control of file I/O

What is the role of the shell in a Linux system?

To manage system initialization and administration

To provide advanced control of file I/O

To execute system calls directly in the kernel

To serve as the standard command-line interface (correct)

What is the purpose of the buffered file-handling functions in the system libraries?

To offer advanced control of file I/O Signup and view all the answers

What type of routines are also provided by the system libraries?

Routines that do not correspond to system calls, such as sorting algorithms Signup and view all the answers

What is the purpose of system utilities in a Linux system?

To initialize and administer the system Signup and view all the answers

What is the term used by Linux to describe the privileged mode in which kernel code executes?

Kernel mode Signup and view all the answers

What is the primary reason why Linux retains the monolithic kernel architecture?

For performance benefits Signup and view all the answers

What is the advantage of the monolithic kernel in terms of data passing and requests between subsystems?

It uses relatively cheap C function invocation Signup and view all the answers

Where is operating-system-support code that does not need to run in kernel mode placed in Linux?

In system libraries and user mode Signup and view all the answers

Which of the following components are included in the single address space of the Linux kernel?

All kernel code, including device drivers, file systems, and networking code Signup and view all the answers

What is the characteristic of user mode in Linux, compared to kernel mode?

It has access to a controlled subset of system resources Signup and view all the answers

What is the primary function of the Linux kernel?

To provide system services for arbitrated and protected access to hardware resources Signup and view all the answers

What is the role of system libraries in the Linux operating system?

To allow applications to make system calls to the Linux kernel Signup and view all the answers

What is the purpose of transferring control from unprivileged user mode to privileged kernel mode?

To implement system calls and provide access to hardware resources Signup and view all the answers

What is the benefit of the Linux kernel's ability to load modules dynamically at run time?

It provides true independence and flexibility for loadable components Signup and view all the answers

What is the relationship between the Linux kernel and the system libraries?

Applications make calls to the system libraries, which in turn call the kernel Signup and view all the answers

What is the primary function of the Linux kernel in terms of process management?

To provide system services for arbitrated and protected access to hardware resources Signup and view all the answers

System Libraries and System Calls

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Questions and Answers

What is the primary role of system libraries in making system calls?

What is the primary function of user utilities in a Linux system?

What is the role of the shell in a Linux system?

What is the purpose of the buffered file-handling functions in the system libraries?

What type of routines are also provided by the system libraries?

What is the purpose of system utilities in a Linux system?

What is the term used by Linux to describe the privileged mode in which kernel code executes?

What is the primary reason why Linux retains the monolithic kernel architecture?

What is the advantage of the monolithic kernel in terms of data passing and requests between subsystems?

Where is operating-system-support code that does not need to run in kernel mode placed in Linux?

Which of the following components are included in the single address space of the Linux kernel?

What is the characteristic of user mode in Linux, compared to kernel mode?

What is the primary function of the Linux kernel?

What is the role of system libraries in the Linux operating system?

What is the purpose of transferring control from unprivileged user mode to privileged kernel mode?

What is the benefit of the Linux kernel's ability to load modules dynamically at run time?

What is the relationship between the Linux kernel and the system libraries?

What is the primary function of the Linux kernel in terms of process management?

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