When you first click a slice label in a pie chart just the individual slice is selected

Which of the following is NOT a format that is used for digital audio?

A. MP3 B. DOC C. WAV D. Ogg

Suppose that your HOME directory is /users/steve. Assuming that you just logged in to the system and executed the following commands:

$ docs=/users/steve/documents $ let=$docs/letters $ prop=$docs/proposals Write the commands in terms of these variables to: a. List the contents of the documents directory. b. Copy all files from the letters directory to the proposals directory. c. Move all files whose names contain a capital letter from the letters directory to the current directory. d. Count the number of files in the memos directory.