Application Research of Variable Screening Method in Copy and Move of File

With the rapid development of informational transmitting methods, the copy and move of data, which stored with file formats becomes much more frequently. This paper takes the copy and move of file from computer disk storage medium to MSE for example, discusses the application of VSM in the processing of FMC, meanwhile makes emulation to the VSM , the local experiment shows: after the memory-mapped files, the VSM manifests good performance in the processing of FMC.