REAL 4 NO EL ANTERIOR FAKE

brayhan gutierrez cespedes
Quiz by brayhan gutierrez cespedes, updated more than 1 year ago
brayhan gutierrez cespedes
Created by brayhan gutierrez cespedes over 2 years ago
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Question 1

Question
Select all the applications that provide access to the Command Line Interface (CLI)?
Answer
  • opera
  • Virtual Terminal
  • Terminal
  • firefox

Question 2

Question
Which environment variable contains a list of directories that is searched for commands to execute?
Answer
  • PATH
  • PS2
  • PS1
  • EXEC

Question 3

Question
Select the command that can report the location of a command:
Answer
  • what
  • where
  • which

Question 4

Question
A pair of single quotes ( ‘ ) will prevent the shell from interpreting any metacharacter.
Answer
  • True
  • False

Question 5

Question
A pair of double quotes ( ” ) will prevent the shell from interpreting any metacharacter.
Answer
  • True
  • False

Question 6

Question
Using a pair of back quotes ( ` ) will cause a shell to execute the back-quoted text as a command and substitute the output back into the original command.
Answer
  • True
  • False

Question 7

Question
Which of the following are glob characters?
Answer
  • The asterisk “*”
  • The question mark “?”
  • The dash character “-“
  • The square brackets “[” and “]”

Question 8

Question
The semicolon “;” can be used to separate multiple commands to be executed in order.
Answer
  • True
  • False

Question 9

Question
The double ampersand characters ( && ) are used to separate commands to be executed conditionally, where if the command to the left of the ampersands fails, then the command to the right of the ampersands will be executed.
Answer
  • True
  • False

Question 10

Question
To be able to output messages to the screen, use the [blank_start]echo[blank_end] command:
Answer
  • echo
  • display
  • type
  • print

Question 11

Question
The [blank_start]history[blank_end] command will print a list of the commands that you’ve previously executed.
Answer
  • history
  • eval
  • list
  • exec

Question 12

Question
To execute the same command as previously executed five commands ago, you would type:
Answer
  • &5
  • !-5
  • @-5
  • !5

Question 13

Question
The shell program interprets the commands you type into the terminal, into instructions that the Linux operating system can execute.
Answer
  • True
  • False

Question 14

Question
The acronym CLI stands for:
Answer
  • Command Line Interpreter
  • Computer Link Interpreter
  • Computer Line Interface
  • Command Line Interface

Question 15

Question
Traditional UNIX command options used a single dash, like -a; [blank_start]GNU[blank_end] command options use two dashes like –all.
Answer
  • GNU
  • LINUX
  • Kernel
  • shell

Question 16

Question
The acronym GNU stands for:
Answer
  • Gnu’s Not Unix
  • Good News Unix
  • Gnu’s Nearly Unix
  • Go Next Unit

Question 17

Question
The main purpose of using glob characters is to be able to provide a command a list of filenames.
Answer
  • True
  • False

Question 18

Question
What one character treats the character that follows it as if it was surrounded by single quotes?
Answer
  • #
  • /
  • %
  • \
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