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 Prices for underground sprinkler systems vary considerably by region and climate, but for an average 2,500-square-foot (50-x-50-foot) front yard, it's about $1,500-$2,500, while a sprinkler system for 5,000 square feet (front and back yards) costs about $2,500-$3,500. have just received two estimates for a sprinkler system at my new (as of Oct. 2011) residence. House was built in 66 and new had a system. 1st quote seemed high at $6,000 then I got the second one for $10,000.