All file systems supported by Windows use the concept of files and directories to access data stored on a disk or device. Windows developers working with the Windows APIs for file and device I/O should understand the various rules, conventions, and limitations of names for files and directories.
Both Key and Allen say the typical yard they deal with is about a quarter-acre in size and the sprinkler systems cost about $2,500 to $3,500 to install. Allen says the cost to install sprinklers on half-acre lawns runs $3,500 to $5,500, and one-acre properties cost $6,000 to $8,000.
1 Nonmetallic installations average $1.18 per sprinklered square foot; a mix of both types costs on average $1.56 per sprinklered square foot; solely using metallic piping typically costs $3.19 per sprinklered square foot. 2  Location can play a role in the cost of fire sprinkler installation. Nonmetallic installations average $1.18 per sprinklered square foot; a mix of both types costs on average $1.56 per sprinklered square foot; solely using metallic piping typically costs $3.19 per sprinklered square foot. 2  Location can play a role in the cost of fire sprinkler installation.