gambit新手求助！哪位大侠指点一下，不胜感激！！！

leaf

我刚开始学用gambit，试着做了一个圆柱体，网格化后保存然后退出，可下次打开gambit 时，界面上仍显示上次做的圆柱体，我想再做别的几何体，请问怎样才能把当前的圆柱取消呀？
  还有，gambit好象和exceed不可分割，exceed有什么作用呀？好象在使用gambit是并不怎么用exceed，以上问题拜请大侠指点迷津！！

songuk

a file "filename".dbs will be saved in your working directory when you save the session, the "fileanme" can be specified using command-line options -id filename.
if you don't specify the -id option, a name "default" will be used. therefore when you save the session, a file default.dbs will exist in your working directory, next time you restart Gambit from the same directory, it will read in data from this file.
Two options,
use -id filename with a different name if you always start Gambit from the same directory, or set up another working directory
or
use reset command to clear the current model