The ____ option of the find command displays files that have been changed within the last n minutes.

The original UNIX operating system was written in ____.

You can use ____ to search backward in Emacs.

Variables that are declared inside a function are called ____ variables.

When using the printf function, ____ indicates that the output is to appear in decimal digits.

You can start Emacs by entering the ____ command in the terminal window or at a command line in UNIX/Linux.

In shell scripts, comment lines begin with a(n) ____.

The UNIX/Linux shell acts as a(n) ____ when reading script files.

The ____ command enables you to initialize the terminal display or terminal window, to place text and prompts in desired locations, and to respond to what the user selects from the menu.

Currently, the ____ project, a joint effort of experts from industry, academia, and government, is working to standardize UNIX.