31:
333:
This allowed the user to type very complicated mathematical text, and also to have thousands of single-character commands at their disposal. Many users were willing to memorise the command meanings of so many characters if it reduced typing time. This attitude shaped the interface of
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terminal. Other users, however, thought that so many keys were excessive and objected to this design on the grounds that such a keyboard can be difficult to operate. Emacs uses "M-" as the prefix for
201:") on the front. By pressing this key with one hand while playing an appropriate "chord" with the other hand on the shift keys, the user could get the following results:
185:
Many keys had three symbols on them, accessible by means of the shift keys: a letter and a symbol on the top, and a Greek letter on the front. For example, the
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484:"I know this is another "neckbeard" comment (Love that term), but anyone who ever... | Hacker News"
38:-labeled version shown here was only used with the LM-2, which was Symbolics' repackaged version of the
791:
532:
17:
582:: Mike McMahon's discussion of the keyboard, with illustrative pictures and technical documentation
562:
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https://raw.githubusercontent.com/mietek/mit-cadr-system-software/master/src/lmdoc/kbdpro.3
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could be pressed with the fingers of one hand, while the other hand pressed another key.
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key which had limited application support. It also included four Roman
Numeral keys (
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were introduced by this keyboard. Each group was in a row, thus allowing easy
46:, that retained only the basic layout and the more commonly used function and
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393:) which allowed for easy interaction with lists of four or fewer choices.
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66:(MIT), which inspired several still-current jargon terms in the field of
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Each of these might, in addition, be typed with any combination of the
563:"History of Emacs ＆ vi Keys (Keyboard Influence on Keybinding Design)"
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on the space-cadet keyboard, and when Emacs was ported to PCs, the
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42:. Later Symbolics systems used a greatly simplified keyboard, the
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331:(50 keys × 5 shift types) × 2 = 4000 different inputs.
78:, which was developed for the Knight TV system, used with MIT's
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540:(Second ed.). Sebastopol, CA: O'Reilly. pp. 408–409.
349:
30:
594:: overview of the space-cadet and other famous Lisp keyboards
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keys. By combining the modifier keys, it is possible to make
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is a keyboard designed by John L. Kulp in 1978 and used on
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had been introduced on the earlier Knight keyboard, while
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27:
Keyboard used on MIT Lisp machines, influential to Emacs
166:, or pressing of several modifier keys; for example,
348:, due to the convenient position of the key on the
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600:"Space-cadet Keyboard and Lisp Machine Keyboards"
445:"Space-cadet Keyboard and Lisp Machine Keyboards"
90:The space-cadet keyboard was equipped with seven
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358:when describing key presses: the "M-" stood for
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505:. Xinware Corporation. 2007. p. 128.
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29:
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193:("↑") on the top, and the Greek letter
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425:This article is based in part on the
64:Massachusetts Institute of Technology
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526:Cameron, Debra; Rosenblatt, Bill;
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429:, which is in the public domain.
144:of the key; the top was labeled
122:), and three shift keys, called
80:Incompatible Timesharing System
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462:
451:
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85:
50:from the space-cadet keyboard.
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1:
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70:and influenced the design of
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979:Lisp (programming language)
588:on the space-cadet keyboard
536:. In Loukides, Mike (ed.).
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140:(which was labeled on the
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373:This keyboard included a
366:key was used in place of
338:; compare the use of the
74:. It was inspired by the
974:Computer keyboard types
598:Xah Lee (2011-10-27).
443:Xah Lee (2011-10-27).
51:
917:Power management keys
189:key had a "G" and an
33:
919:(Power, Sleep, Wake)
470:"Re: Pretty-lambdas"
56:space-cadet keyboard
938:Keyboard technology
592:The Lisp keyboards
538:Learning GNU Emacs
282:(uppercase gamma)
52:
44:Symbolics keyboard
961:
960:
943:Keyboard shortcut
792:Page Up/Page Down
586:Jargon File entry
512:978-1-897454-66-4
303:
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16:(Redirected from
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953:Keyboard mapping
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299:(upwards arrow)
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94:: four keys for
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503:The Jargon File
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870:Language input
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865:Numeric keypad
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240:(uppercase G)
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223:(lowercase G)
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886:Function keys
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670:Modifier keys
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547:1-56592-152-6
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533:"Emacs and X"
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528:Raymond, Eric
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92:modifier keys
83:
81:
77:
73:
69:
65:
61:
60:Lisp machines
57:
49:
48:modifier keys
45:
41:
37:
32:
19:
891:Print Screen
828:Enter/Return
732:
556:
537:
521:
502:
478:
464:
453:
438:
424:
423:
403:Lisp machine
372:
325:
304:
207:Key pressed
184:
146:
141:
136:
130:
118:
89:
55:
53:
933:Copilot key
901:Break/Pause
756:Scroll Lock
580:Space Cadet
427:Jargon File
257:(lowercase
86:Description
968:Categories
879:Contextual
787:Arrow keys
419:References
96:bucky bits
928:Macro key
860:Space bar
840:Backspace
766:Caps Lock
748:Lock keys
719:Microsoft
647:Dead keys
561:Xah Lee.
408:Symbolics
308:⎈ Control
101:⎈ Control
36:Symbolics
18:Hyper key
761:Num Lock
638:Keyboard
530:(1996).
397:See also
191:up-arrow
164:chording
40:MIT CADR
923:Any key
821:Editing
715:Windows
707:Command
678:Control
655:Compose
344:key in
326:✦ Hyper
320:❖ Super
271:⇧ Shift
229:⇧ Shift
210:Result
168:Control
125:⇧ Shift
119:✦ Hyper
113:❖ Super
850:Delete
845:Insert
771:F-Lock
692:Option
544:
509:
389:, and
350:ADM-3A
323:, and
314:◆ Meta
134:, and
116:, and
107:◆ Meta
910:Misc.
733:Hyper
723:Super
711:Apple
702:AltGr
696:Apple
683:Shift
375:Macro
355:⎇ Alt
341:⎋ Esc
336:Emacs
267:Front
259:gamma
246:Front
195:gamma
180:Super
176:Hyper
160:Super
156:Hyper
147:Greek
142:front
137:Front
72:Emacs
812:Menu
797:Home
728:Meta
721:) /
713:) /
660:Gold
640:keys
542:ISBN
507:ISBN
368:Meta
360:Meta
172:Meta
158:and
152:Meta
54:The
34:The
855:Tab
807:Esc
802:End
688:Alt
387:III
364:Alt
288:Top
150:).
131:Top
62:at
970::
738:Fn
690:/
492:^
391:IV
385:,
383:II
381:,
370:.
346:vi
317:,
311:,
261:)
197:("
128:,
110:,
104:,
82:.
717:(
709:(
698:)
694:(
630:e
623:t
616:v
602:.
565:.
550:.
515:.
486:.
472:.
447:.
379:I
297:↑
292:G
290:+
280:Γ
275:G
273:+
269:+
255:γ
250:G
248:+
238:G
233:G
231:+
221:g
216:G
199:γ
187:G
178:+
174:+
170:+
98:(
20:)
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