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.
Cosine, a trigonometric function. COS cells, a cell line used by biologists. Carbonyl sulfide, (COS) a chemical compound. Cobalt sulfide, (CoS) a chemical compound. Class of service (CoS), a 3 bit field within a layer two Ethernet frame header defined by IEEE 802.1p. Class of service (COS), a configuration parameter in legacy telephone systems.