Computer Knowledge

Operating Systems

1,344 Questions

Test your computer knowledge with these questions on operating systems. The content covers various platforms including Unix, Linux, Windows, Android, and Macintosh. These questions are commonly asked in the computer knowledge sections of banking and government exams.

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Operating Systems Questions

Multiple choice technology operating systems

Crown margin mode can be done using which command?

  1. nroff

  2. mm

  3. tbl

  4. fmt
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The 'fmt' command is a simple text formatter that fills and joins lines to create output with even left and right margins - this is crown margin mode. 'nroff' and 'mm' are document formatting systems, 'tbl' is for table formatting, but 'fmt' is specifically designed for margin adjustment and text filling.

Multiple choice technology operating systems

To which operating system is GNU/Linux compatible?

  1. Windows

  2. Unix

  3. it's a system on it's own

  4. don't know
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

GNU/Linux is a Unix-like operating system that was designed to be compatible with Unix applications and standards. While it's not Unix itself (Unix is a trademarked specification), it follows Unix principles and is generally considered Unix-compatible. It is its own operating system (C is partly true), but B is the best answer emphasizing its Unix compatibility.

Multiple choice technology mainframe

Many JCL statements contain specific values designed to direct and control the execution of the statement. What are these fields called?

  1. Linkage variables

  2. Parameters

  3. Control libraries

  4. Includes
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In JCL (Job Control Language), the specific values that appear after keywords on statements are called parameters. These parameters (like USER, CLASS, MSGLEVEL, etc.) control how the job and its steps execute. Each parameter can have specific values that modify the behavior of the statement.

Multiple choice technology operating systems

What is GNU/Linux?

  1. The official name of the complete Linux OS according to Richard Stallman

  2. A combination of a free software kernel with Linux apps

  3. A fancy way of identifying new distros

  4. A distro of Linux meant for wildebeests
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Richard Stallman and the Free Software Foundation advocate for the name GNU/Linux because the operating system is a combination of the GNU system utilities and the Linux kernel.

Multiple choice technology operating systems

What operating system was Linux designed to "resemble somewhat"?

  1. Minix

  2. Windows

  3. System V

  4. Vunix
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

To solve this question, the user needs to know about the history and design of the Linux operating system.

Linux was designed to "resemble somewhat" the Minix operating system.

Option A: Minix is the correct answer, as Linux was designed in part to be a free alternative to Minix, a Unix-like operating system developed by Andrew S. Tanenbaum.

Option B: Windows is incorrect because Linux was not designed to resemble Windows. Windows is a proprietary operating system created by Microsoft, whereas Linux is an open-source operating system.

Option C: System V is incorrect because Linux was not designed to resemble System V. System V is a commercial version of Unix developed by AT&T.

Option D: Vunix is incorrect because there is no such thing as Vunix. It is possible that this option meant to refer to Unix, which was certainly an inspiration for Linux, but it is not the answer to the question as worded.

Therefore, the answer is: A. Minix

Multiple choice technology operating systems

Which is not a Linux boot loader?

  1. Lilo

  2. Syslinux

  3. Grub

  4. None of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

LILO, GRUB, and Syslinux are all valid Linux boot loaders. LILO (LInux LOader) was the traditional boot loader, GRUB (GRand Unified Bootloader) is the modern standard, and Syslinux is a lightweight boot loader for specific use cases. Since all listed options ARE boot loaders, "None of the above" (meaning no incorrect options exist) is correct.

Multiple choice technology operating systems

The computer shows an "Operating System Not Found" error. Which is most likely affected?

  1. MBR

  2. NTLDR

  3. NTDETECT.COM

  4. NTOSKRNL

  5. HAL.DLL
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The 'Operating System Not Found' error indicates the boot process cannot locate a valid OS. MBR (Master Boot Record) is most likely affected as it contains the boot loader and partition table. NTLDR, NTDETECT.COM, NTOSKRNL, and HAL.DLL are Windows-specific files loaded later in the boot process - their corruption would cause different errors.

Multiple choice technology programming languages

To request that the system dump the storage occupied by a failing program, --- DD statement can code in the step to be dumped?

  1. SYSABEND

  2. SYSMDUMP

  3. SYSUDUMP

  4. Any of the above

  5. None
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All three DD statements (SYSABEND, SYSMDUMP, and SYSUDUMP) are used to request storage dumps upon a program failure. They differ in the level of detail and format (formatted vs. unformatted), but any of them will trigger a dump.

Multiple choice technology operating systems

Linus Trovalds inspired from and created LINUX from which OS ??

  1. ULTRIX

  2. Minix

  3. Xenix

  4. MULTIX
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Linus Torvalds created Linux as a Minix clone initially inspired by Andrew Tanenbaum's Minix operating system. Minix was a Unix-like educational OS created for teaching operating system principles. Linux began as a personal project to extend Minix's capabilities into a full Unix-like system for the Intel 386 platform.