Hand-seeding, hydroseeding, sod, and artificial turf vary greatly in both the initial installation cost and the ongoing cost to maintain. Learn more about the cost differences between these installation methods, both initially and over time.
patch - a short set of commands to correct a bug in a computer program. computer program, computer programme, programme, program - (computer science) a sequence of instructions that a computer can interpret and execute; the program required several hundred lines of code.
An internet worm is a program that spreads across the internet by replicating itself on computers via their network connections. In the 1980s, researchers were seeking ways of managing the growing internet remotely, using programs that could distribute themselves automatically across it.