System Programming MCQs (Chapterwise Multiple Choice Questions)

Which of the following utilities would you use on a standard Linux system to debug a running application?

gdb

ltrace

strace

ptrace

Answer & Explanation

Correct Answer: ptrace

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_____ are the systems special characteristics that appeal to users.

Features

Outputs

Yields

Metrics

Answer & Explanation

Correct Answer: Features

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Which of the following sequences creates a socket based connection for communication?

open, listen, accept

open, accept, listen

socket, connect, accept, listen

socket, connect, listen, accept

Answer & Explanation

Correct Answer: socket, connect, listen, accept

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Which of the following commands can be used to generate a listing of all the shared libraries that an executable needs?

ld

ldd

ls

ln

Answer & Explanation

Correct Answer: ldd

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An orphan process occurs as a result of which of the following conditions?

Child process terminates before its parent process

Parent process terminates before its child process

Parent and child process terminate simultaneously

Answer & Explanation

Correct Answer: Parent process terminates before its child process

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How do two threads synchronize access to shared data in a multi threaded application?

mutex_enter

pthread_rwlock

pthread_key_create

pthread_mutex_lock

Answer & Explanation

Correct Answer: pthread_mutex_lock

Note: This Question is unanswered, help us to find answer for this one

You want a char * that will contain the timestamp as YYYYMMDD-hh:mm:ss . You would use:

sprintf()

strftime()

localtime()

get_datetime()

Answer & Explanation

Correct Answer: strftime()

Note: This Question is unanswered, help us to find answer for this one

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

Inode Cache

DNLC

Buffer Cache

Page Cache

Answer & Explanation

Correct Answer: Page Cache

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You see the line: listen (s, 3); You are looking at code for:

A client's server

A client's socket

A server's clients

A server's socket

Answer & Explanation

Correct Answer: A server's socket

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What does the command "mknod temp p" do?

It creates a named pipe.

It creates directory nodes

It creates pipes

Answer & Explanation

Correct Answer: It creates a named pipe.

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System Programming Quick Quiz

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