Chapter 4 quiz

​What two commands below can be used to locate files on a filesystem?

locate, find

What argument can be used with the chmod command to add read permission and remove write permission for a group on a file?

g+r-w

In order to create a hard link, what command must be used?

ln

The contents of a certain variable in memory can be viewed using which metacharacter below in combination with the echo command?

$

In a file's mode, a permission that is unavailable is represented by what character?

-

What option, when added to the rm command, is commonly referred to as the -resume option?

-r

The Filesystem Hierarchy Standard specifies what directory as containing the Linux kernel and the boot loader configuration files?

/boot

​Select the mode below that corresponds to setting r-x:

5

When using the chmod command, the mode rwx can be represented by which number?

7

What does the setfacl -b command do?​

It removes all extra ACL assignments on a given file

What command can be used to copy files?

cp

What permission (when applied to a directory) allows a user to enter the directory and work with directory contents?​

execute

The rmdir command automatically removes a directory and all of its subdirectories and files.

false

If a file's permissions are set to 760, what permission(s) are available to the group assigned to the file?​

read, write

What command below takes a list of arguments specifying the absolute or relative pathnames of files to remove?

rm

In order to quickly create an empty file, what command can be used?​

touch file1

You can use wildcard metacharacters with the find command.

true

​The database for the locate command can be updated manually by using the updatedb command.

true

What permission grants a user the ability to open, read, and edit the contents of a file?

write

​What permission (when assigned to a file) grants a user the ability to open, read, and edit the contents of a file?

write