18 Questions
What is the primary role of system libraries in making system calls?
To collect and arrange system-call arguments in the necessary form
What is the primary function of user utilities in a Linux system?
To support basic system operation without requiring elevated privileges
What is the role of the shell in a Linux system?
To serve as the standard command-line interface
What is the purpose of the buffered file-handling functions in the system libraries?
To offer advanced control of file I/O
What type of routines are also provided by the system libraries?
Routines that do not correspond to system calls, such as sorting algorithms
What is the purpose of system utilities in a Linux system?
To initialize and administer the system
What is the term used by Linux to describe the privileged mode in which kernel code executes?
Kernel mode
What is the primary reason why Linux retains the monolithic kernel architecture?
For performance benefits
What is the advantage of the monolithic kernel in terms of data passing and requests between subsystems?
It uses relatively cheap C function invocation
Where is operating-system-support code that does not need to run in kernel mode placed in Linux?
In system libraries and user mode
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
What is the characteristic of user mode in Linux, compared to kernel mode?
It has access to a controlled subset of system resources
What is the primary function of the Linux kernel?
To provide system services for arbitrated and protected access to hardware resources
What is the role of system libraries in the Linux operating system?
To allow applications to make system calls to the Linux kernel
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
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
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
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
Understand the role of system libraries in making system calls, arranging arguments, and providing advanced control of file I/O. Learn how libraries provide more complex versions of basic system calls.
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