Chapter 5 Exam Flashcards
Select all the applications that provide access to the Command Line Interface (CLI)? (choose two)
opera
Virtual Terminal
Terminal window
firefox
Virtual Terminal*
Terminal window*
Which environment variable contains a list of directories that is searched for commands to execute?
PATH
PS2
PS1
EXEC
PATH*
Select the command that can report the location of a command:
what
where
which
which*
A pair of single quotes ( ‘ ) will prevent the shell from interpreting any metacharacter.
True or False?
True
False
True*
A pair of double quotes ( ” ) will prevent the shell from interpreting any metacharacter.True or False?
True
False
False*
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.True or False?
True
False
True
Which of the following are glob characters?(choose three)
The asterisk “*”
The question mark “?”
The dash character “-“
The square brackets “[” and “]”
The asterisk “*”
The question mark “?”
The square brackets “[” and “]”
The semicolon “;” can be used to separate multiple commands to be executed in order.
True or False?
True
False
True
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.
True or False?
True
False
False
To be able to output messages to the screen, use the _______ command:
display
type
print
echo
echo
The _______ command will print a list of the commands that you’ve previously executed.
eval
history
list
exec
history
To execute the same command as previously executed five commands ago, you would type:
&5
!-5
@-5
!5
!-5
The shell program interprets the commands you type into the terminal, into instructions that the Linux operating system can execute.
True or False?
True
False
True*
The acronym CLI stands for:
Command Line Interpreter
Computer Link Interpreter
Computer Line Interface
Command Line Interface
Command Line Interface
Traditional UNIX command options used a single dash, like -a; _______ command options use two dashes like –all.
LINUX
Kernel
GNU
shell
GNU *
The acronym GNU stands for:
Gnu’s Not Unix*
Good News Unix
Gnu’s Nearly Unix
Go Next Unit
Gnu’s Not Unix
/
What one character treats the character that follows it as if it was surrounded by single quotes?
%
\
\
The main purpose of using glob characters is to be able to provide a command a list of filenames.
True or False?
True
False
True
HOME is an example of _________.
An environment variable A path variable A local variable An internal command An alias
An environment variable
The most common shell used for Linux distributions is the ________ shell.
Fish
Bash
Tsch
Zsh
Bash
alias for ls -CF
l
alias for ls -A
la
alias for ls -alF
ll
alias for ls –color=auto
ls
