1 Being called ugly is different from being called not well taken care of or unkempt. 2  Take responsibility for your image, for things that you can change. 3  Always consider the source. Being called ugly is different from being called not well taken care of or unkempt. 2  Take responsibility for your image, for things that you can change. 3  Always consider the source.
Ls. 1. Command used in Linux, Unix, and their respected variants that lists the files and directories in the current directory. 1  See the Linux and Unix ls command page for additional information about this command.
Light Reflectance Value (LRV) is the total quantity of visible and useable light reflected by a surface in all directions and at all wavelengths when illuminated by a light source. (ref. British Standard BS 8300:2001/A1:2005)