BRIEF SUMMARY OF LU310 OPERATORS -a add files to library. -b buffer size set. Normally, need never be used. -c close the open library. Normally need never be entered. -d delete files from library. -e extract file(s) from library. -h help table of these commands -l list directory of files. -n name a member. Renames, example: newname.typ=oldname.typ -o open a library. -r reorganize library, eliminate previously deleted files. -u user/drive default. -x eXit program. CR also exits the program