Linux Admin IQ Test

問題見：
http://www.infoworld.com/tools/quiz/news/IQ2008linux-news-quiz.php

只的了 65 分啊～～

Question 1: Which vendor has never branded its own Linux?

5 points
c. IBM

Even SCO briefly offered its own Linux product. Big Blue, despite being an enthusiastic Linux backer, has always partnered with other distributors instead of packaging its own version of the OS.

Question 2: Why GRUB over LILO?

5 points
d. You want to boot from a network

LILO supports a wide variety of boot configurations, but you'll need the more modern GRUB if you want to boot from a network.

Question 4: What's a "shebang"?

5 points
a. A unique sequence of characters that indicates the start of a shell script

Short for "shell bang," shebang is a hash or pound sign (#) followed by an exclamation mark (!), known in Unix parlance as a "bang."

Question 8: Which graphics chip vendor hasn't released a Linux driver?

5 points
c. Nvidia

Although most of the competition has released open source drivers for at least some of their graphics chips, Nvidia has remained a staunch holdout.

Question 15: What's the benefit of noatime?

5 points
a. 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.

Question 16: Which virt tech allows Windows VMs to run on Linux?

5 points
c. 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.

Question 17: What's a "binary blob"?

5 points
a. A driver that is loaded into the kernel as a binary object, for which no source code is available

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.

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