1 Menu
  The following is a list of the available commands.
  For more information see the detailed HELP on each command.
  For the MINUIT commands see HELP MINUIT.

  EXIT          Exits from program or back to previous level.
  2DIM          Plots 2-D histograms in various ways.
  ADD           Adds 2 histograms together.
  ALIAS         Defines an alias.
  UNALIAS       Undefines one or all aliases.
  ATTACH        Attaches you to another process (VMS only).
  AVERAGE       Makes a weighted average of the contents of 2 histograms.
  AVE_FETCH     Fetches an AVEHST format histogram (ASCII files only).
  BOOK          Books a new plot inside Mn_Fit (alias for `HIST BOOK').
  CALCULATE     Calculates an expression, changes a register, parameter
                etc., or defines a user variable.
  CALL_COMIS    Calls a COMIS subroutine.
  CAPTURE       Captures a new output device.
  CDIRECTORY    Changes the current HBOOK or ROOT directory immediately.
  CLEAR         Clears the screen device display.
  CLOSE         Closes the hardcopy devices output files.
  COMIS         Invokes the COMpilation and Interpretation System package.
  COMMENT       Adds a comment to a plot.
  COPY          Copies one histogram to another one.
  CUT           Defines cuts for Ntuples and multi-dimensional histograms
                (see HELP CUT for more).
  NO_CUT        Deletes all cuts.
  DAT_FETCH     Reads a series of data points from a file
                (alias for `READ DATA').
  DAT_STORE     Stores a series of data points in a file
                (alias for `WRITE DATA').
  DATABASE      Interface to plotting contents of L3 database.
  DB_HISTORY    Plots the history of an element in L3 database.
  DB_SNAP       Plots the contents of an L3 database entry.
  DEFINE        Defines a new command.
  UNDEFINE      Deletes a command you made with the `DEFINE' command.
  DELETE        Deletes one or more plots.
  DEPOSIT       Calculates an expression, changes a register, parameter
                etc., or defines a user variable.
  DISPLAY       Makes a special display - only in L3 or ZEUS display version.
  DIVIDE        Divides 2 histograms.
  DO            Starts a `DO' loop (only available inside macro's or
                `DEFINE'd commands).
  DRAW          Draws a line, arrow, box etc. on a picture.
  EDIT          Edits a file (use `SET EDIT' to select your favourite
                editor).
  EFFICIENCY    Divides 2 histograms using binomial errors.
  ELIF          Else if in an `IF' block.
  ELSE          Else in an `IF' block.
  ENDDO         Terminates a `DO' loop.
  ENDIF         End of an `IF' block.
  EXAMINE       Examines the contents of a register, parameter, bin etc.
  EXECUTE       Reads a list of commands from a file (alias for
                `READ COMMAND').
  EXTRACT       Extracts part of an HBOOK histogram (alias for
                `HIST EXTRACT').
  FETCH         Fetches one or more HBOOK version 4 histograms.
  FI            End of an `IF' block.
  FILL          Fills a plot inside Mn_Fit (alias for `HIST FILL').
  FIT           Fits a plot (only valid in `MN_CMD>' level).
  FUNCTION      Do things with functions (see HELP FUNCTION for more).
  HARDCOPY      Makes a hardcopy of the last picture.
  HB3_FETCH     Fetches one or more HBOOK version 3 histograms.
  HB_FETCH      Fetches one or more HBOOK version 4 histograms.
  HB_OPEN       Opens an HBOOK version 4 histogram file.
  HB_STORE      Stores one or more HBOOK version 4 histograms in a file.
  HB_MN_FIT     Converts HBOOK plots to Mn_Fit plots.
  HCOPY         Copies one HBOOK histogram to another one (HCOPY).
  HDELETE       Deletes an HBOOK histogram.
  HINDEX        Gives the HBOOK index for histograms currently in memory.
  HISTOGRAM     Plots, overlays or dumps a histogram (see HELP HISTOGRAM
                for more information).
  history       History of commands read by GNU readline (cannot be
                abbreviated and must be in lowercase).
  HMAKE         Makes an HBOOK histogram from another sort.
  HMERGE        Merges the HBOOK histograms from one or more RZ files.
  HPRINT        Does an HPRINT on the given histogram.
  HRENAME       Renames an HBOOK histogram.
  HRECOVER      Calls HRECOV to recover an Ntuple in a RZ file.
  HY_FETCH      Fetches one or more HYBRID histograms.
  IF            Conditional control of statement execution.
  IGTABLE       Plots 2-D histograms in various ways (almost the same
                as `2DIM').
  INDEX         Gives an index of the histograms read in.
  INQUIRE       Gets the value for a macro parameter
                (only available inside macros or DEFINEd commands).
  INTEGRATE     Integrates a function over a range.
  KEY           Gives a key for the meaning of symbols.
  LDIRECTORY    Lists the contents of the current HBOOK or ROOT directory.
  LEGO          Makes a lego plot of a 2-dimensional histogram.
  LS            Lists the contents of the current HBOOK or ROOT directory.
  MADD          Adds a series of histograms together.
  MDIRECTORY    Makes a new HBOOK directory in memory.
  MESSAGE       Writes a message to the current output device.
  MN_FETCH      Reads in plots in Mn_Fit format.
  MN_STORE      Stores plots in Mn_Fit format.
  MSUBTRACT     Subtracts a series of histograms from another histogram.
  MULTIPLY      Multiplies 2 histograms.
  NORMALIZE     Normalizes the total contents of a histogram.
  NTUPLE        Operations on Ntuples and multi-dimensional histograms
                (see HELP NTUPLE for more).
  OPEN          Opens an HBOOK version 4 histogram file.
  OVERLAY       Overlays one histogram on another (alias for
                `HIST OVERLAY').
  PARTITION     Cuts out part of a histogram.
  PARSE         Parses and executes a command line with formatting.
  PLOT          Plots a histogram (alias for `HIST PLOT').
  2DIM          Plots 2-D histograms in various ways.
  PRINT         Prints a histogram on the terminal or to a file.
  PROJECT       Makes a projection of an Ntuple or n-dimensional histogram
                (alias for `NTUPLE PROJECT').
  PWD           Prints the current HBOOK or ROOT directory.
  QUIT          Emergency stop of Mn_Fit.
  READ          Reads in commands or data (see HELP READ for more).
  REBIN         Rebins a histogram.
  REDRAW        Redraws the last picture.
  REMOVE        Deletes a user defined variable.
  RENAME        Renumbers a histogram.
  RETURN        Returns from a macro.
  ROOT_FETCH    Fetches one or more ROOT histograms.
  ROOT_OPEN     Opens a ROOT histogram file.
  SCALE         Multiplies the contents of a histogram by a scale factor.
  SCT_FETCH     Fetches an AVEHST true scatter plot.
  SET           Changes a plotting parameter (see HELP SET for more).
  SHELL         Executes a single DCL command or spawns a subprocess (VMS).
                Executes a shell command or starts a new shell (Unix).
  SHOW          Shows plot drawing parameters (see HELP SHOW for more).
  SMOOTH        Smooths a histogram.
  SPAWN         Executes a single DCL command or spawns a subprocess (VMS).
                Executes a shell command or starts a new shell (Unix).
  SPLINE        Spline fits a histogram.
  SURFACE       Makes a surface plot of a 2-dimensional histogram.
  STORE         Stores one or more HBOOK histograms in a file.
  SQUEEZE       Gets back unused space for Mn_Fit.
  SUBTRACT      Subtracts 2 histograms.
  SUM           Sums the contents of a plot.
  TEXT          Adds text to a picture or plot - not yet implemented.
  TITLE         Gives a new title to a histogram.
  WAIT          Stops Mn_Fit for a time.
  WINDOW        Draws several plots on one page.
  NO_WINDOW     Goes back to one plot per page.
  WDIRECTORY    Sets the current working directory for opening files.
  WRITE         Writes out a list of commands or data points.
  ZDIRECTORY    Makes an RZLDIR of the current HBOOK directory.

