The /usr/include directory contains a large number of c/c++ header files (all ending with a .h extension). what command would you give to list the names of the files in that directory that include the string ""it"" as part of the name?

What is a loop? a. a collection of function definitions at the top of a program b. a line of code that defines a variable and assigns it a value c. a program that opens the turtle graphics window d. a block of code that repeats a specific number of times