Which of the following is a function of the Linux kernel? (Choose all that apply.)

• Allocating memory for use by programs

• Allocating CPU time for use by programs

• Creating menus in GUI programs

• Controlling access to hard disks

• Enabling programs to use the network

Which of the following is an example of an embedded OS?

• Android

• CentOS

• Fedora

• Mint

• Red Hat

Which of the following is a notable difference between Linux and macOS?

• Linux can run common GNU programs, whereas macOS cannot.

• Linux’s GUI is based on the X Window System, whereas macOS is not.

• Linux cannot run on Apple Macintosh hardware, whereas macOS can run only on Apple hardware.

• Linux relies heavily on BSD software, whereas macOS uses no BSD software.

• Linux supports text-mode commands, whereas macOS is a GUI-only OS.

Where did the Linux kernel come from?

• It was derived from Microsoft Windows.

• It was derived from Apple macOS.

• It was derived from AT&T Unix.

• It was derived from BSD Unix.

• It was created by Linus Torvalds.

True or false: If you log into a Linux system in graphical mode, you cannot use text-mode commands in that session.

• True

• False

True or false: CentOS is a Linux distribution with a long release cycle.

• True

• False

A Linux text-mode login prompt reads .

• login:

• welcome:

• Enter:

• userid:

• Enter your userid:

A common security problem with Windows that’s essentially nonexistent on Linux is.

• Commercial software

• Network firewalls

• Network routers

• Viruses

• Software management packages

Pre-release software that’s likely to contain bugs is known as ____ and ____.

• First and second

• Primary and secondary

• Alpha and beta

• Development and production

• Development and test

Linux distributions that have no version number but instead release upgrades in an ongoing manner are said to have a(n) ____ release.

• rolling
• staggered

• informal

• systematic

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