True allergies to cow's milk are relatively uncommon. Only 2 to 3 percent of children are allergic to milk, according to the AAP, and almost all of them outgrow it by age 3. (Learn the difference between a milk allergy and lactose intolerance .).
The underscore [ _ ] (also called underline, underbar, low line, or low dash) is a character that originally appeared on the typewriter and was primarily used to underline words.
from the command line will turn the cursor into a thick underscore, reclaiming one third of the character cell. Values 7-15 are also accepted, but they give the same as 6. The cursor default is defined in console-struct.h as the underscore, so, by default, value 0 is same as value 2.