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- keydo - a simple history mechanism for MS-DOS
-
- KEYPAD KEY OPERATION KEY OPERATION
-
- Up Arrow Recall earlier command Dn Arrow Recall later command
-
- Left Arrow Move cursor left 1 char. Backspace Delete prior char.
- Right Arrow Move cursor right 1 char. Del Delete current char.
- Ctrl-Left Move cursor left 1 word Ctrl-Home Erase to start of line
- Ctrl-Right Move cursor right 1 word Ctrl-End Erase to end of line
- Home Move cursor to line start Esc Erase complete line
- End Move cursor to line end Ins Toggle overwrite/insert
-
- This program is loaded as a part of the command environment in MS-DOS, and
- remembers commands as they are typed. If you want to repeat a command, just
- press the Up Arrow key on your keypad, and the command will appear on the
- command line just as if you had typed it in again. To execute it unchanged,
- press the <RETURN> key.
-
- You can "back up" more than 1 command: pressing the Up Arrow key will recall a
- previous command each time. The last 32 commands you typed are available in a
- circular buffer; to go the other way use the Down Arrow key.
-
- You can edit the recalled command before you execute it: use the Left and
- Right Arrow keys to move the cursor back and forth on the line. Hold down the
- Ctrl key, and the arrow keys move the cursor one "word" at a time. The Home
- key moves the cursor to the beginning of the line, the End key moves it to the
- end. The Del key deletes the character the cursor is sitting on, the back-
- space key deletes the one before the cursor. Ctrl-Home erases from the cursor
- position to the start of the line, Ctrl-End erases from the cursor to the end
- of the line. You can insert new characters just by typing them. To overwrite
- characters present, touch the Ins key once, then type.
-
- You can execute the revised command at any time, with the cursor in any
- position, by pressing the <RETURN> key.
-