Test
Linux Essentials Chapter 4 Exam
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Preguntas del test (18)
1Select all the applications that provide access to the Command Line Interface (CLI)?
(choose two)- Aopera
- BVirtual Terminal
- CTerminal window
- Dfirefox
2Which environment variable contains a list of directories that is searched for commands to execute?
- APATH
- BPS2
- CPS1
- DEXEC
3Select the command that can report the location of a command:
- Awhat
- Bwhere
- Cwhich
4A pair of single quotes ( ‘ ) will prevent the shell from interpreting any metacharacter.
True or False?- ATrue
- BFalse
5A pair of double quotes ( ” ) will prevent the shell from interpreting any metacharacter.
True or False?- ATrue
- BFalse
6Using 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?- ATrue
- BFalse
7Which of the following are glob characters?
(choose three)- AThe asterisk “*”
- BThe question mark “?”
- CThe dash character “-“
- DThe square brackets “[” and “]”
8The semicolon “;” can be used to separate multiple commands to be executed in order.
True or False?- ATrue
- BFalse
9The 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?- ATrue
- BFalse
10To be able to output messages to the screen, use the _______ command:
- Adisplay
- Btype
- Cprint
- Decho
11The _______ command will print a list of the commands that you’ve previously executed.
- Aeval
- Bhistory
- Clist
- Dexec
12To execute the same command as previously executed five commands ago, you would type:
- A&5
- B!-5
- C@-5
- D!5
13The shell program interprets the commands you type into the terminal, into instructions that the Linux operating system can execute.
True or False?- ATrue
- BFalse
14The acronym CLI stands for:
- ACommand Line Interpreter
- BComputer Link Interpreter
- CComputer Line Interface
- DCommand Line Interface
15Traditional UNIX command options used a single dash, like -a; _______ command options use two dashes like –all.
- ALINUX
- BKernel
- CGNU
- Dshell
16The acronym GNU stands for:
- AGnu’s Not Unix
- BGood News Unix
- CGnu’s Nearly Unix
- DGo Next Unit
17What one character treats the character that follows it as if it was surrounded by single quotes?
- A#
- B/
- C%
- D\
18The main purpose of using glob characters is to be able to provide a command a list of filenames.
True or False?- ATrue
- BFalse
Información
- Descripción
- Test sobre Linux Essentials Chapter 4 Exam, creado por David Harton el 08/06/2018.
- Autor
- David Harton
- Idioma
- English
- Visitas
- 536
- Valoración
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