Which of the following is correct for the standard file descriptors that are automatically opened in UNIX?

When a new process is created using fork(), which of the following describes the state of open file descriptors?

Which of the following provides the most random seed source for a pseudo random number generator?

Which of the following methods is used by system programs to access a character device (such as keyboards, audio cards, etc) on a UNIX system?

Any code that calls a function whose interface includes the line raises(aLibrary:BookIsMissing); should do which one?

Which of the following IPC mechanisms has an inode?

Which system calls can be used to get the metadata of a file?

Which one creates an IPC message channel?

Which one is employed by the operating system to speed up file IO on a Solaris system.

Name of the standard linker on Unix?

Which block size results in the best read/write performance for an IO intensive application?