Lệnh dùng để trao đổi thông điệp giữa các người dùng trong linux

Businesses allocate resources for their best and most productive uses. the more a resource, the more costly it will be. a manufacturer that requires scarce and costly resources is likely to charge for its products.

What is the term for water wave that is created by an underwater earthquake

Let r be a robotic arm with a fixed base and seven links. the last joint of r is a prismatic joint, the other ones are revolute joints. give a set of parameters that determines a placement of r. what is the dimension of the configuration space resulting from your choice of parameters?