1 MDIRECTORY
  Syntax:   MDIRECTORY dirnam
  where:    dirnam  is the name of the new directory in memory

  Creates  a  new  HBOOK  directory  in  memory and   changes the  default
  directory to  that one.  Subsequent  `STORE' commands  maintain the same
  directory structure as in memory.

2 Examples

!\begin{enumerate}
!\item
!^
  Example 1:
    Make a new  directory, copy some  histograms and  then store them in
    that  directory.  Plots 1,2 will  be stored  in  //MN_HBOUT, the top
    level      directory,   while  101  and   102  will  be    stored in
    //MN_HBOUT/NEWDIR:

    store file.hsto 1,2
    mdir newdir
    copy 1 101
    copy 2 102
    store/update file.hsto 101,102

!\end{enumerate}

