首先进入命令行界面, 方法是

• 点击菜单栏的[Window]-->[Command Window]
• 或按快捷键 Ctrl+1

cat 命令显示LINGO中 9 个类别的命令.

按回车(或者是空行)即可退出，

实验

: cat

 LINGO commands by category.  For information on a specific command, type:
 'HELP command-name'.

   1) Information

   2) Input

   3) Display

   4) File Output

   5) Solution

   6) Problem Editing

   7) Quit

   8) System Parameters

   9) Miscellaneous

 Which category is of interest (1 to  9)?
? 1
 The commands in this category are:
      COM     CAT     HELP    MEM
 Which category is of interest (1 to  9)?
? 2
 The commands in this category are:
      MODEL   TAKE    RMPS    FRMPS   RMPI    RLPF
 Which category is of interest (1 to  9)?
? 3
 The commands in this category are:
      LOOK    GEN     PAUS    HIDE    STATS   PICTURE DUAL    XDETEQ  SCENE
      SHOWNL  LISTFIX
 Which category is of interest (1 to  9)?
? 4
 The commands in this category are:
      DIV     RVRT    SAVE    SMPS    SMPI
 Which category is of interest (1 to  9)?
? 5
 The commands in this category are:
      GO      SOLU    NONZ    RANGE   DEBUG
 Which category is of interest (1 to  9)?
? 6
 The commands in this category are:
      DEL     EXT     ALT
 Which category is of interest (1 to  9)?
? 7
 The commands in this category are:
      QUIT
 Which category is of interest (1 to  9)?
? 8
 The commands in this category are:
      PAGE    TERS    VERB    WIDTH   SET     FREEZE  DBUID   DBPWD   APISET
 Which category is of interest (1 to  9)?
? 9
 The commands in this category are:
      TIME
 Which category is of interest (1 to  9)?

注意在 ? 后面输入 q 然后回车, 即可退出 Lingo 程序.