____ semaphores are used in the producer and consumer problem.

Match the following terms to their meanings:

I. Data source II. Delimited III. Mail merge IV. Main document V. Definition A. Contains the text, letter, or memo used in a mail merge B. The structure of the database — fields names, data types, and field properties C. Each field is separated by a single character and records are on single lines D. Combine a main document and a data source to create a letter or memo E. Contains the names and addresses of individuals to be merged into a letter

The command sudo is used to gain what user's permissions?

A) Root B. Group C. Admin D. Owner