Linux skills development


Commands are case-sensitive. This is true.


When entering a command, do arguments or options typically come first? Options comes first.


Which command will print your current location in the filesystem? present working directory which is the command pwd


Which command will allow you to change your current directory? change directory which is the command cd.


Which of the following is not an example of an absolute path?  Documents is not an absolute path.


Which of the following is not an example of a relative path? /home is an example of an absolute path.


The ~ (tilde) character is used to represent:

  • ✔ A user's home directory


CORRECT - 
The .. (double period) characters are used to represent:

  • ✔ The directory above the current directory


CORRECT - 
The . (period) character is used to represent:

  • ✔ The current directory


CORRECT - 
The ls command without options or arguments...

  • ✔ ...lists the contents of the current directory.


CORRECT - 
Which of the following sets has the group permissions highlighted?

  • ✔ rw-rw-r--


CORRECT - 
Which of the following sets has the other permissions highlighted?

  • ✔ rw-rw-r--


CORRECT - 
Which command will allow a user to change the permissions of a file?

  • ✔ chmod


CORRECT - 
Which of the following permission sets indicates that others have only the read permission?

  • ✔ rw-rw-r--


CORRECT -
Changing the user owner of a file requires administrative access.

  • ✔ True



Which of the following commands can be used to rename a file?

  • mv


The mv command requires at least two arguments. This is true.


CORRECT - 
Which command can be used to copy a file? This is the command cp.


Which command is used to copy files at the bit level? The command is the dd.


The rm command requires at least two arguments. This is false.


Which of the following commands will return only lines that begin with test?

  • ✔ grep '^test' file.txt


CORRECT - 
Which of the following commands will return only lines that end with test?

  • ✔ grep 'test$' file.txt



The ps command requires administrative access.

  • false


WRONG - See Section 18
Which of the following commands will update all packages?

  • ✗ apt-get update



Users can update their own passwords.

  • true


CORRECT - 
The root user can change the password of any user.

  • ✔ True


CORRECT - 
Which option can be used to view status information about the current user's password?

  • ✔ -S


CORRECT - 
Which of the following commands can be used to print output to the terminal?

  • ✔ echo


WRONG - 
The > character is used for which of the following file descriptors?

  • ✗ STDERR


CORRECT - 
The ping command uses IP addresses to identify a computer on a network.

  • ✔ True

What does CLI stand for?

  • ✔ Command Line Interface


CORRECT - 
Commands are case-sensitive. This is True


CORRECT - 
When entering a command, do arguments or options typically come first?

  • ✔ Options


CORRECT - 
Which of the following is not a correct way to combine options?

  • ✔ -r l


CORRECT - 
Which of the following is not an example of an absolute path?

  • ✔ Documents


CORRECT - 
The ~ (tilde) character is used to represent:

  • ✔ A user's home directory


CORRECT - 
The .. (double period) characters are used to represent:

  • ✔ The directory above the current directory


CORRECT - 
The . (period) character is used to represent:

  • ✔ The current directory


CORRECT - 
The ls command without options or arguments...

  • ✔ ...lists the contents of the current directory.


CORRECT - 
The first character in a long listing ls -l indicates:

  • ✔ File Type


CORRECT - 
Which of the following sets has the owner permissions highlighted?

  • ✔ rw-rw-r--


CORRECT - 
Which of the following sets has the group permissions highlighted?

  • ✔ rw-rw-r--


CORRECT - 
Which command will allow a user to change the permissions of a file?

  • ✔ chmod


CORRECT - 
Which of the following permission sets indicates that others have only the read permission?

  • ✔ rw-rw-r--


CORRECT - 
Changing the user owner of a file requires administrative access.

  • ✔ True


WRONG - See Section 12
Which of the following commands can be used to rename a file?

  • ✗ cp


CORRECT - 
The mv command requires at least two arguments.

  • ✔ True


CORRECT - 
Which command can be used to copy a file?

  • ✔ cp


CORRECT - 
The cp command requires at least two arguments.

  • ✔ True


CORRECT - 
Which command is used to copy files at the bit level?

  • ✔ dd


CORRECT - 
The rm command requires at least two arguments.

  • ✔ False


CORRECT -
Which of the following commands is used to filter text?

  • ✔ grep


CORRECT - 
Which of the following commands will return only lines that begin with test?

  • ✔ grep '^test' file.txt


CORRECT - 
Which of the following lines would be not returned by the grep '[^0-9]' file.txt command?

  • ✔ 3121991


CORRECT - 
The ps command requires administrative access.

  • ✔ False


CORRECT - 
Which of the following will delete all of a package's files?

  • ✔ apt-get purge


CORRECT - 
Which of the following commands should be executed before installing a package?

  • ✔ apt-get update


CORRECT - 
Users can update their own passwords.

  • ✔ True


CORRECT - 
The root user can change the password of any user.

  • ✔ True


WRONG - 
Which of the following commands will display the last five lines of a file called file1.txt?
(choose two)

  • ✔ tail -n 5 file1.txt

CORRECT - 
What does CLI stand for?

  • ✔ Command Line Interface


CORRECT - 
Commands are case-sensitive.

  • ✔ True


CORRECT - 
When entering a command, do arguments or options typically come first?

  • ✔ Options


CORRECT - 
Which of the following is not a correct way to combine options?

  • ✔ -r l


CORRECT - 
Which command will print your current location in the filesystem?

  • ✔ pwd


CORRECT - See Section 4
Which command will allow you to change your current directory?

  • ✔ cd


CORRECT - 
Which of the following is not an example of an absolute path?

  • ✔ Documents


CORRECT - 
Which of the following is not an example of a relative path?

  • ✔ /home


CORRECT - 
The .. (double period) characters are used to represent:

  • ✔ The directory above the current directory


CORRECT - 
The ls command without options or arguments...

  • ✔ ...lists the contents of the current directory.


CORRECT - 
Which of these commands will create a new shell logged in as the root user?

  • ✔ su


CORRECT - 
Which of the following sets has the owner permissions highlighted?

  • ✔ rw-rw-r--


CORRECT - 
Which of the following sets has the group permissions highlighted?

  • ✔ rw-rw-r--


CORRECT - 
Which of the following sets has the other permissions highlighted?

  • ✔ rw-rw-r--


CORRECT - 
Which command will allow a user to change the permissions of a file?

  • ✔ chmod


CORRECT - 
Which of the following permission sets indicates that others have only the read permission?

  • ✔ rw-rw-r--


CORRECT - 
Which of the following commands is used to change the ownership of a file?

  • ✔ chown


CORRECT - 
Changing the user owner of a file requires administrative access.

  • ✔ True


CORRECT - 
Which of the following commands can be used to rename a file?

  • ✔ mv


CORRECT - 
Which command can be used to copy a file?

  • ✔ cp


WRONG - See Section 13
Which option to the rm command will allow a user to delete directories?

  • ✗ -d


CORRECT - 
Which of the following commands is used to filter text?

  • ✔ grep


CORRECT - 
Which of the following commands will return only lines that end with test?

  • ✔ grep 'test$' file.txt


CORRECT - 
Which of the following lines would be not returned by the grep '[^0-9]' file.txt command?

  • ✔ 3121991


CORRECT - 
Which of the following commands will not shutdown the system immediately?

  • ✔ shutdown


CORRECT - 
Which of the following commands will display every process?

  • ✔ ps -e


CORRECT - 
Users can update their own passwords.

  • ✔ True


CORRECT - 
Which option can be used to view status information about the current user's password?

  • ✔ -S


CORRECT - 
Which of the following commands can be used to print output to the terminal?

  • ✔ echo


CORRECT - 
The ping command uses IP addresses to identify a computer on a network.

  • ✔ True

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