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.
A computer virus is a malicious program that infects files. The function of a virus is to either harm a computer's operating system and software, delete data or steal data and information. A trojan is a special class of virus that pretends to be legitimate software.