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  1.           CS (EGA Clear Screen)                  Charles Petzold
  2.           Command                                    1986/No. 15
  3.  
  4.           ______________________________________________________
  5.  
  6.           Purpose:  Clears the screen when using displays of more
  7.                     than 25 lines.
  8.  
  9.           Format:   [d:][path]CS
  10.  
  11.           Remarks:  The DOS CLS command is hard-coded for 25-line
  12.                     displays, and so does not fully clear the
  13.                     screen when using 43-line (or similar) EGA
  14.                     displays.  CS is a simple replacement for CLS
  15.                     in such cases.
  16.           DIRCOMP                                Charles Petzold
  17.           Command                         1987/No. 2 (Lab Notes)
  18.  
  19.           ______________________________________________________
  20.  
  21.           Purpose:  Permits comparison of the contents of two
  22.                     directories in alphabetical order, with the
  23.                     options of redirecting the screen display
  24.                     either to a file or to a printer.
  25.  
  26.           Format:   DIRCOMP directory1 directory2
  27.  
  28.           Remarks:  The directories to be compared do not need to
  29.                     be on the same drive.  Use the normal DOS
  30.                     backslash (\) character in specifying the
  31.                     path to a desired directory.  The DOS
  32.                     "wildcard" characters (* and ?) may be used
  33.                     to limit the filenames displayed.
  34.  
  35.                     Identically-named files are shown side-by-
  36.                     side to facilitate comparison of their size,
  37.                     date, and time.  Other filenames are
  38.                     presented alphabetically in their respective
  39.                     directory columns.  Use Ctrl-NumLock to halt
  40.                     the display scrolling temporarily; striking
  41.                     any key thereafter causes scrolling to
  42.                     resume.
  43.  
  44.                     In comparing large directories it is
  45.                     frequently desirable to redirect the output
  46.                     of DIRCOMP either to a file (which you can
  47.                     then call up with your word processor) or to
  48.                     a printer.
  49.  
  50.           Example:  To create a file called COMPARE.TMP in the
  51.                     root directory of drive C: (your currently
  52.                     active drive) that compares the listings in
  53.                     your \LETTERS subdirectory with the files
  54.                     contained on a floppy disk in drive B: you
  55.                     would enter:
  56.  
  57.                     DIRCOMP \LETTERS B: > \COMPARE.TMP
  58.  
  59.           Example:  To print out the same comparison without
  60.                     creating a file, you would enter:
  61.  
  62.                     DIRCOMP \LETTERS B: > PRN
  63.  
  64.                     Notes:
  65.  
  66.                     1.   DIRCOMP does not provide
  67.                          forward/backward scrolling capabilities.
  68.                          If these are desired as an alternative
  69.                          to alphabetical listings, use
  70.                          SCANDIR.COM, which is also contained on
  71.                          this disk.
  72.           CS (EGA Clear Screen)                  Charles Petzold
  73.           Command                                    1986/No. 15
  74.  
  75.           ______________________________________________________
  76.  
  77.           Purpose:  Clears the screen when using displays of more
  78.                     than 25 lines.
  79.  
  80.           Format:   [d:][path]CS
  81.  
  82.           Remarks:  The DOS CLS command is hard-coded for 25-line
  83.                     displays, and so does not fully clear the
  84.                     screen when using 43-line (or similar) EGA
  85.                     displays.  CS is a simple replacement for CLS
  86.                     in such cases.
  87.