Pregunta 1
Pregunta
Hidden files are files that begin with what character?
Respuesta
-
A dash (-)
-
A plus (+)
-
A period (.)
-
An asterisk (*)
Pregunta 2
Pregunta
What option for the ls command will display all files, including hidden files?
Pregunta 3
Pregunta
The top-level directory on a Linux system is represented as:
Pregunta 4
Pregunta
Is the following path absolute or relative?
/etc/ppp
Pregunta 5
Pregunta
Is the following path absolute or relative?
sysadmin/Documents
Pregunta 6
Pregunta
Is the following path absolute or relative?
../../home/sysadmin
Pregunta 7
Pregunta
The tilde (~) is used to represent:
Respuesta
-
A user’s home directory
-
Any two single characters
-
The directory above the current working directory
-
Nothing; it has no special meaning
Pregunta 8
Pregunta
Which of the following commands can be used to access the home directory of the user “bob” while logged in as root?
(choose two)
Respuesta
-
cd /home/bob
-
cd ~bob
-
cd &&
-
~bob
Pregunta 9
Pregunta
The double dot (..) can be used with the cd command to represent:
Respuesta
-
The directory above the current working directory
-
Nothing; it has no special meaning.
-
Any two single characters
-
A user’s home directory.
Pregunta 10
Pregunta
The cd command by itself will take you to what directory?
Respuesta
-
The system root directory
-
None; it is not a valid command
-
The directory above the current working directory
-
Your home directory
Pregunta 11
Pregunta
What command will allow you to change your current working directory?
Pregunta 12
Pregunta
The double dot (..) can be used to represent the directory…
Respuesta
-
…above the current directory.
-
…below the current directory.
-
…with any two single numbers.
-
…above the current directory only when using the cd command.
Pregunta 13
Pregunta
The ls command without options or arguments…
Respuesta
-
…generates an error as this command requires arguments.
-
…lists the contents of the current directory.
-
…prompts for a directory to list.
-
…lists the contents of a user’s home directory.
Pregunta 14
Pregunta
The first character in a long listing (ls -l) indicates:
Pregunta 15
Pregunta
Which option for the ls command, when used in conjunction with the -l option, will display human-readable sizes?
Pregunta 16
Pregunta
Which of the following commands will prevent any aliased options to the ls command?
Pregunta 17
Pregunta
The ls command color codes results by default.
True or False?
Pregunta 18
Pregunta
The command ls -S will sort files:
Respuesta
-
By size, smallest to largest
-
By number of symlinks, largest to smallest
-
By modification date, newest to oldest
-
By size, largest to smallest
Pregunta 19
Pregunta
When using the cp command, you must provide both a source and a destination.
True or False?
Pregunta 20
Pregunta
Which option(s) can be used to prevent cp from overwriting an existing file?
(choose two)
Pregunta 21
Pregunta
The command rm -r will…
Respuesta
-
remove a directory along with any files or subdirectories.
-
prompt for each confirmation before deleting each file in a directory.
-
remove only empty directories.
-
generate an error; -r isn’t a valid option.
Pregunta 22
Pregunta
Which option can be used with the rm command to prompt before deleting?
Pregunta 23
Pregunta
The rm command can delete multiple files at once.
True or False?
Pregunta 24
Pregunta
Which of the following commands can be used to rename a file?
Pregunta 25
Pregunta
The touch command can be used to:
(choose two)