Exam 20: Exploring the Linux Operating Systems Features and Functionality

Linux uses files to represent ________.

________ implements shared memory for the ________ specification.

When a critical section must be protected for a long time, ________ are a better choice for implementing mutual exclusion.

The kernel allocates page frames to processes using the _________.

When the development of a new stable kernel is near completion, a ________ occur(s)-only code that fixes bugs is allowed.

________ are reentrant interrupt handlers.

________ are synchronization mechanisms employed throughout the kernel to protect access to critical sections.

Linux is a best described as a(n) ________ kernel.

Sockets ________.

The ________ is designed to reduce the time spent performing disk I/O operations.

Torvalds decided that Linux should conform to the ________ specification to enhance its interoperability with other UNIX-like systems.

In version 2.6, developers ________, improving real-time performance.

An advantage of the Linux operating system over proprietary systems is that ________.

________ allow multiple kernel controls paths to hold a read lock, but permit only one kernel control path to hold a write lock with no concurrent readers.

________ has/have written most of the drivers that operate devices commonly found in Linux systems.

Using the Cryptographic API, enables users to encrypt ________.

The deadline scheduler ________.

________ enables administrators to customize the system's access control policy using loadable kernel modules.

By default, ________ percent of the blocks are reserved exclusively for users with root privileges when the disk is formatted.

Because processes often need to protect a number of related resources, the kernel stores semaphores in ________.