You can move files back and forth from your PC to the SAF file server using either the scp or sftp protocols. Just connect to saf.bio.caltech.edu, which has the appropriate SAF fileserver directories already mounted. You may also use drag and drop, but ftp is not supported except for anonymous ftp downloads from the DNA sequencing area.
Neither scp nor sftp are supported natively by any current version of Windows (up to XP). However this functionality is available in the following programs: