What does GRUB stand for?

The jobs command

To use chown recursively, instead of using _recursive you can use:

Which is an example of a shell comment?

The run level in a system can be configured in the file _____.

The behavior of the system for each 'runlevel' is available in the _____ file.

____________ is a script or a tool that obtains privileges of a root?

____ components define the file system on unix/linux.

When using the chmod command, the mode rwx can be represented by the number ____.

Unix and linux are operating systems designed to run on ________.

To send a print job to a printer, you must first use the ____ command and specify what to print.