Quiz 4

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

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

What section of a filesystem contains information about the filesystem in general?

The section of an inode that stores permissions is referred to as what?

​What two commands below will grant only the execute permission to username bob on file1, assuming that bob is the file's owner?

What does the setfacl -b command do?​

In order to set all of the special permissions on a certain file or directory, which command below should be used on a file named filename?

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

​Select the mode below that corresponds to setting r-x: - 2 - 5 - 1 - 6

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

What command can be used to copy files? - copy - cp - cpy - mv

What two commands can be used to locate files on a filesystem? - locate - grep - read - find

What permission (when applied to a directory) allows a user to enter the directory and work with directory contents?​ - write - sticky bit - execute - read

The Filesystem Hierarchy Standard specifies what directory as the root user's home directory? - /root - /bin - /home/root - /boot

Select the command below that utilizes a premade database that contains a list of all the files on a system: - locate - search - find - id

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

​What two commands below will work recursively if specified with the -R option? (Select 2 answers.) - cp - rm - mkdir - mv

​What two special permissions can be applied in order to effectively allow a user to become owner of a file, or become a member of a group, by executing a file? - SGID - SUID - SQUID - sticky bit

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

When using the chmod command, the mode rwx can be represented by which number? - 0 - 1 - 7 - 8

In a file's mode, a permission that is unavailable is represented by what character? - ? - * - "b -" - +

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

In order to create a hard link, what command must be used? - ln - link - lk - lnk

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