For all the information in the existing public library to copy, move, delete 
the maintenance and management functions

Directory location: Ymold Root directory Ymold \ SLB \

Copy - source directory file => target directory

Move - source directory file => target directory

Erase - Delete the source directory file

Source Directory Menu -> Throw out the address of the file

Target directory menu -> accept the address of the discarded file

Source directory below the file list menu, you can check,

The target directory below the file table list, you can check,

Delete directory -> no file within the directory, you can clear the directory, 
    this action will delete all files

Create directory -> Add directory to facilitate maintenance and management