Questions and Answers for Linux #2

The current Linux kernel source tree includes approximately how many lines of C++ code? 

Correct Answer: Fewer than 500,000
Your Answer: Approximately 1 million
Besides the fact that Linux was started before good free C++ compilers were available, Linus Torvalds is no fan of C++. Standard C and assembly language make up 99.71 percent of the kernel.

Who among the following has never contributed any source code to the Linux kernel? 

Correct Answer: Richard M. Stallman
Your Answer: Hans Reiser
Stallman thinks the name should be GNU/Linux, because the kernel doesn't function as an OS without supporting code developed by the Free Software Foundation. But Stallman has never actually written code for the kernel itself.

If you needed to work primarily with very large multimedia files, which of the following file systems would offer the best performance? 

Correct Answer: XFS
Your Answer: Ext2fs
Originally developed by Silicon Graphics, XFS offers smooth data transfer and handles large files very efficiently, either of which would be a boon to multimedia production.

Of the following, which is the most widely used GUI windowing system among major enterprise Linux distributions? 

Correct Answer: X.org
Your Answer: Gnome
Trick question! Of the software projects listed, only X.org is a windowing system. The others are desktop environments that run on top of X.org.

What is the main benefit of the noatime mount option for Linux file systems? 

Correct Answer: It improves performance by reducing the frequency of disk writes
Your Answer: It improves performance by reducing the frequency of disk writes
Normally, Linux will update the time stamp on a file every time it is accessed. With the noatime option, the kernel will update files only when their contents are changed.

Which of the following virtualization technologies allows Windows virtual machines to run on a Linux system?

Correct Answer: Xen
Your Answer: Xen
Most of the virtualization software listed can only launch other instances of Linux. Xen can support Windows virtual machines also, provided your processor supports Intel VT or AMD-V technology.

In Linux parlance, what is a "binary blob"? 

Correct Answer: A driver that is loaded into the kernel as a binary object, for which no source code is available
Your Answer: An orphaned file whose allocation information in the file system has been lost
The Linux community is divided over the practice of running closed source code as part of the Linux kernel, but when hardware vendors refuse to release their specifications, it's often the only option.

Of the following Linux distributions, which does not use RPM as its primary software distribution package format? 

Correct Answer: Ubuntu
Your Answer: Ubuntu
Ubuntu has its roots in Debian, which has its own package format. The rest all use the format invented by Red Hat.

Which of the following companies is among the top 10 corporate contributors to the Linux kernel, according to the Linux Foundation? 

Correct Answer: Intel
Your Answer: Cisco
All of the companies named have contributed a significant amount of code to the kernel. But of the four, Intel tops the list, having been responsible for about 4 percent of recent code changes.

Who is Larry Ewing? 

Correct Answer: The creator of "Tux the penguin," the official Linux mascot
Your Answer: The creator of "Tux the penguin," the official Linux mascot
Ewing drew the affable avian with the first version of the GIMP, back in 1996.

Linux Tips

See Also

Have a Linux Problem
Linux Forum - Do you have a Linux Question?

Linux Books
Linux Certification, System Administration, Programming, Networking Books

Linux Home: Linux System Administration Hints and Tips

(c) www.gotothings.com All material on this site is Copyright.
Every effort is made to ensure the content integrity.  Information used on this site is at your own risk.
All product names are trademarks of their respective companies.
The site www.gotothings.com is in no way affiliated with or endorsed by any company listed at this site.
Any unauthorised copying or mirroring is prohibited.