For Windows 8/10: 1  Move your mouse cursor to the taskbar at the bottom left corner, type âdefragâ in the search box. 2  Click the âDefragment and Optimize Driversâ option. 3  Now select and view current status by clicking âAnalyzeâ check how fragmented your HP hard drive is.  Hit âOptimizeâ to start defragmenting.
Rating Newest Oldest. Best Answer: The characters N/A (sometimes n/a) are an abbreviation that is mainly used in information tables. It stands for one of the following: (a complete list) * Not available: Where there exists a lack of data.
\n is a pointer to character array equivalent to {'\n', '\0'} (\n plus the null terminator) EDIT. I realize i explained the difference, but didn't answer the question. Which one you use depends on the context. You use '\n' if you are calling a function that expects a character, and \n, if it expects a string.