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Language peer sets for L6:
United States↑
United States/1963↑
Designed 1963 ↑
1960s languages ↑
Third generation↑
Early Cold War↑
Genus List ↑
String and List Processing ↑
List↑
Rank 1 unlabelled↑
Rank 1 ↑
List/1963↑
Rank 1 unlabelled/1963↑
Rank 1/1963↑
List/United States↑
Rank 1 unlabelled/United States↑
Rank 1/United States↑
String and List Processing ↑
String and List Processing/1963↑
String and List Processing/us ↑

L6(ID:227/l::002)

Laboratories Low-Level Linked List Language

alternate simple view

Country: United States
Designed 1963
Published: 1963
Genus: List
Sammet category: String and List Processing

Bell Telephone Laboratories Low-Level Linked List Language. Ken Knowlton, 1963-5.

Typeless list processing language. Base data structure was the bug, which was a varying base list structure. Many interesting features, not least of which was the incorporation of names by coalescing their functions.

Higman (2nd ed 1977): "The syntactic nature of a line is an intersting first step towards thinking of program structure by encouraging the grouping of machine instructions into compound operations. (This can be done in any assembly code that allows a semicolon, for example, to double as a new line semantically, but few programmers have the motivation to exploit it; L-six encourages it.)"

Goto (who used ot get upset that Dijkstra considered him harmful) implemented a version on a FACOM in 1968 at Tokyo university

Places

Bell Labs usResearch

Structures:

List

Related languages

L3	→	L6		Evolution of
		L6	→*l	Evolution of
		L6	→Animated Movie Language	Extension of
		L6	→BUGSYS	Extension of
		L6	→CL6	Adaptation of
		L6	→Data Structures Language	Strong, Influence
		L6	→DPL	Incorporated some features of
		L6	→LSIX	Alias
		L6	→T-L6	Extension of
		L6	→UP.L6	Implementation
		L6	→VERS	Superset

References:

1965

Knowlton, K. C., (1965) Knowlton, K. C., "A Fast Storage Allocator" pdf
in [ACM] (1965) [ACM] CACM 8(10) Oct 1965

1966

Knowlton, K. (1966) Knowlton, K. (1966) L6: Bell telephone Laboratories Low-Level Linked List Language, 16 minute B&W film, Murray Hill, N.J.
Knowlton, K. C. (1966) Knowlton, K. C. "A Programmer's Description of L6, Bell Telephone Laboratories' Low-Level Linked List Language" pdf Abstract
in [ACM] (1966) [ACM] CACM 9(08) August 1966
Ledley, R.A. et al (1966) Ledley, R.A. et al "BUGSYS: A Programming System for Picture Processing Not for Debugging" Abstract DOI Extract: Description Extract: The System
in [ACM] (1966) [ACM] CACM 9(02) February 1966

1967

Goldstine, H. (1967) Goldstine, H. H. review of Knowlton (66 ACM) Extract: Review
in (1967) ACM Computing Reviews 8(02) March-April 1967
Gray, J. C. (1967) Gray, J. C. "Compound data structure for computer aided design" Extract: L6 structures
in Proceedings A.C.M. (1967) Proceedings A.C.M. National Meeting, 1967
Sammet, Jean E., (1967) Sammet, Jean E., "Roster of Programming Languages 1967"
in (1967) Computers & Automation 16(6) June 1967

1968

Laurance, Neal; (1968) Laurance, Neal; "A compiler language for data structures" Abstract Online Extract: Use of names Extract: List-Processing Facilities Extract: Other Extensions To The Mad Syntax
in (1968) Proceedings of the 23rd ACM national conference January 1968
Sammet, Jean E. (1968) Sammet, Jean E. "Revised Annotated Descriptor Based Bibliography for the Use of Computers for Non-Numerical Mathematics"
in Bobrow, D. G. (ed) (1968) Bobrow, D. G. (ed) "Symbol Manipulation Languages and Techniques", Proceedings of the IFIP Working Conference on Symbol Manipulation Languages. North-Holland Publishing Co., Amsterdam, 1968

1969

Housden, R. J. M. (1969) Housden, R. J. M. "A note on list-processing in BCL" Abstract CompJournal online Extract: About BCL Extract: Review in Computer reviews by Yarbrough
in Computer Journal (1969) The Computer Journal 12(4) 1969
Housden, R. J. M. (1969) Housden, R. J. M. "The definition and implementation of Lsix in BCL" Abstract CompJournal Online Extract: Review in COpmuter Reviews by Goldstine
in (1969) The Computer Journal 12(1) 1969
K. Takahashi, et al, (1969) K. Takahashi, et al, "On List Processing Language L6", Proc IPSJ 10th Progr. Symposium (Jan., 1969)
Sammet, Jean E. (1969) Sammet, Jean E. "Computer Languages - Principles and History" Englewood Cliffs, N.J. Prentice-Hall 1969. pp.400- 405.

1970

E. Goto, et al, (1970) E. Goto, et al, "Implementation of List Processing Language L6 and Several Extensions", Proc. IPSJ 11th Nat'l Conf. (Dec, 1970)

1972

Sammet (1972) Sammet, Jean E., "Roster of Programming Languages 1972" 153
in (1972) Computers & Automation 21(6B), 30 Aug 1972
Toru Takeshita (1972) Toru Takeshita "SURVEY OF PROGRAMMING LANGUAGES IN JAPAN" Extract: L6 and TL6
in First USA-Japan Computer Conference Proceedings, T (1972) First USA-Japan Computer Conference Proceedings, Tokyo, 1972.

1973

Sammet, Jean E. (1973) Sammet, Jean E. "Roster of Programming Languages for 1973" p147
in (1974) ACM Computing Reviews 15(04) April 1974
Stock and Stock (1973) Stock, Marylene and Stock, Karl F. "Bibliography of Programming Languages: Books, User Manuals and Articles from PLANKALKUL to PL/I" Verlag Dokumentation, Pullach/Munchen 1973 342 Abstract

1975

Williams, Robin (1975) Williams, Robin "A Survey of Data Structures for Computer Graphics Systems" Extract: Languages for creating and manipulating data structures Extract: Low Level Languages Extract: Higher Level Languages
in Klinger, A.; Fu, K. S.; Kunii, T. L. (1977) Klinger, A.; Fu, K. S.; Kunii, T. L. "Data Structures, Computer Graphics, and Pattern Recognition" (Largely based on IEEE Computer Society conference held in Los Angeles, May 1975) Academic Press, NY 1977

1977

Higman (1977) Higman, Bryan; "A comparative study of programming languages" London, McDonald 1977 2nd Edition pp 148-150

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