Chapter 18 Review

String (2)

"Press any key"

String (1)

"sample text"

PowerShell comment

#Start

Variable

$X

Windows environment variable

%TEMP%

Linux utilizes what two different wildcard characters at the command line?

* and ?

Windows batch file

.bat

JavaScript file

.js

Windows PowerShell script file

.ps1

Python script file

.py

Unix or Linux shell script file

.sh

VBScript file

.vbs

In order to ensure that a Mac has no startup items, what two directories should you check for items?

/System/Library/StartupItems ; /Library/StartupItems

On Linux, where are the commands required for system administration stored?

/sbin

What is the value of X when execution ends in the following pseudocode? Set X As Integer For X = 100 to 0 Step -1 ' This is a comment Next X X = 100

100

Integer (2)

1424

Integer (1)

9

If you need to redirect the output from a command, what symbol should you use?

>

Use ______________________ to put a macOS computer to sleep, log out, restart, or shut down the system.

Apple Menu

A ____________ file is a disk image file for a Mac and is similar to WIM or ISO files in Windows.

DMG

What is the term used to designate that a particular operating system will no longer be supported by its manufacturer or managing entity?

End-of-life

The __________ file system can be read and written by Linux, macOS, and Windows, and is therefore the file system of choice when you are concerned with compatibility.

FAT32

What Linux distribution is made for servers, desktops, and mobile devices? (Choose best match)

Fedora (wrong) Ubuntu (wrong) openSUSE ? Red Hat Enterprise Linux ?

In macOS, the ___________________ window functions something like File Explorer in Windows; use it to find and access files, applications, and utility programs.

Finder

Which of the following describes the macOS feature that lets you use finger motions to perform functions, for example, spreading two fingers to zoom in?

Gestures

The macOS utility __________________ is used to launch and uninstall applications.

Launchpad

You opened a batch file in Notepad and are observing the following lines. (The line numbers are for reference only.) ECHO This batch file deletes the temp files DEL %TEMP%\*.* /Q REM The temp files were deleted PAUSE Which of the lines is a comment?

Line 3

A system administrator is selecting an operating system for use by the company's research and development team. The team requires an OS that can be easily modified and changed to meet its particular requirements. Which of the following operating systems will be the best choice for the users?

Linux

A bootable Linux USB flash drive or CD that can be used to repair system issues is known by what term, respectively?

Live USB or Live CD

Executes the same commands until a condition is met

Loop

Which of the following are closed source operating systems? (Select TWO)

Mac OS X High Sierra, Windows 10 Home

__________________________ gives you a quick view of all open windows and desktops and lets you switch among them.

Mission Control

If you want to boot to a deployment server on the network to reinstall macOS from a disk image, you will use the Apple technology called _____________.

NetBoot

Which of the following is a major advantage to using SSH over Telnet for remotely accessing a Linux system?

SSH is a secure, encrypted alternative to Telnet.

In macOS, ____________________ is the search app that can be configured to search the local computer.

Spotlight

The ________________________ window is used to change and customize macOS settings and is similar to the Settings app in Windows 10.

System Preferences

What is the name of the macOS built-in backup utility?

Time Machine

A variation of the ________ operating system, Linux was created by Linus Torvalds.

UNIX

A Mac user wants to update macOS and is searching Apple.com to locate update files. How are macOS updates typically obtained?

Updates are found in the App Store

What is the value of X and what is the condition of the Do...Loop when execution ends in the following pseudo code? X = 1 Do ' This is a comment Print X; Loop

X = 1, the Do...Loop is endless.

The default shell for the terminal is the ________ shell, which stands for "Bourne Again Shell"

bash

What command lets you view the contents of a file?

cat

A technician is logged in to a Linux computer as johnd and needs to reset group ownership for the file report.txt in the johnd home directory. Which of the following commands will perform this function?

chown

What two commands are used to change the permissions and ownership of a file or directory in Linux?

chown, chmod

What keypress sequence is used to open the Force Quit window on a Mac?

command+option+esc

In order to break out of a Linux command or process on a terminal, what keys should you press?

ctrl+c

What LINUX command can be used to copy and convert files, directories, partitions, and even entire DVDs or hard drives?

dd

Boot Camp can split a partition and install Windows in the new partition for a _______ boot.

dual

Which of the following is the current Linux file system used to hold the operating system?

ext4

On Linux, the root user's home directory is /home/root. (TRUE/FALSE)

false

Programs that automatically launch at startup are called login items. (TRUE/FALSE)

false

Windows can read from storage devices that are using the APFS. (TRUE/FALSE)

false

The macOS disk utility tool called __________________________ scans a hard drive or other storage device for file system errors and repairs them. (two word answer)

first aid

Versions of Linux are called distributions or ___________.

flavors

A Linux user needs to find all instances of the word admin in /var/log/auth.log. Which of the following commands will perform this function?

grep

What occurs when Linux or macOS encounters an error from which it cannot recover?

kernel panic

_________________ is the macOS built-in password manager utility. (one word answer)

keychain

A technician wants to use a Time Machine backup to install a new copy of the macOS onto a Mac. Which of the following tools will the technician use to perform this task?

macOS Recovery

After Windows is installed on a Mac Computer, press and hold the _________ key when starting the computer to reach the Startup Manager.

option

What LINUX command below is used to test network connections by sending a request packet to a host?

ping

macOS, formally called Mac OS X, is a ___________________ operating system that is only available for Macintosh computers by Apple Inc. (one word answer)

proprietary

A user is complaining about sluggish performance on her Linux system, and the technician suspects a running process is consuming excessive processor resources. Which of the following commands will the technician most likely use to locate the offending process?

ps

What user account is known as the system administrator or superuser account?

root

______________________________ is a macOS utility to remotely view and control another Mac; it is similar to Remote Desktop in Windows. (two word answer)

screen sharing

Basic versions of LINUX OS are open source, and all the underlying programming instructions (called __________ code) are freely distributed.

source

The _____________ (substitute user) command is used to perform a command as superuser when logged in as a normal user.

sudo

A(n) environmental variable (sometimes called a _________ variable) is information the OS makes available to a script. (one word answer)

system

GRUB is the current Linux boot loader, which can handle dual boots with another OS installed on the system. (TRUE/FALSE)

true

In Linux and macOS, this text editor works in command mode (to enter commands) or in insert mode (to edit text).

vi

Boot Camp is a utility in macOS that allows you to install and run _________ on a Mac Computer.

windows